CONTRIBUTORS.txt

The following people and organizations sponsored and/or contributed new and improved features to the project.

************************************************
Code Contributors for 5.x
************************************************

CiviCRM - Coleman Watts, Tim Otten

AGH Strategies - Alice Frumin, Andrew Hunt, Eli Lisseck
Agileware - Francis Whittle, Justin Freeman, Pengyi Zhang
Andrew Thompson
applicado
Australian Greens - Seamus Lee
Bastien Ho
Blackfly Solutions - Alan Dixon
Calibrate - Wannes De Roy
Caltha - Tomasz Pietrzkowski
CEDC - Laryn Kragt Bakker
Chris Burgess
CiviCoop - Jaap Jansma
CiviDesk - Sunil Pawar, Yashodha Chaku
CompuCorp - Camilo Rodriguez, Davi Alexandre, Debarshi Bhaumik, Michael Devery,
    Mukesh Ram, Omar Abu Hussein, René Olivo, Vinu Varshith Sekar
Coop SymbioTIC - Mathieu Lutfy, Samuel Vanhove
Davis Media Access - Darrick Servis
Electronic Frontier Foundation - Mark Burdett
eQuality Technology - Greg Rundlett
Freeform Solutions - Herb van den Dool
Fuzion - Jitendra Purohit
Ginkgo Street Labs - Frank Gómez
Hossein Amin
JMA Consulting - Joe Murray, Monish Deb
Johan Vervloet
John Kingsnorth
Joinery - Allen Shaw
Kanzu Code - Carl Andrew Lema
Kompetenzzentrum Technik-Diversity-Chancengleichheit - Niels Heinemann
Left Join Labs - Sean Madsen
Lighthouse Design and Consulting - Brian Shaughnessy
Łukasz Krutul
Megaphone Technology Consulting - Jon Goldberg
MJW Consulting - Matthew Wire
myDropWizard - David Snopek
Naomi Rosenberg
Olivier Tétard
OSSeed Technologies - Madhavi Malgaonkar
Oxfam Germany - Thomas Schüttler, Yuliyana Liyana
Pradeep Nayak
Progressive Technology Project - Jamie McClelland
Richard van Oosterhout
Romain Thouvenin
Squiffle Consulting - Aidan Saunders
Systopia - Björn Endres
Tadpole Collective - Kevin Cristiano
Third Sector Design - Michael McAndrew
Tom Bloor
Wikimedia Foundation - Eileen McNaughton
Wildsight - Lars Sanders-Green
Will Long

************************************************
Key Contributors and Sponsors for 4.7
************************************************

CiviCRM - Coleman Watts, Josh Gowans, Tim Otten

Aaron Jones
Abhikalak Consultants - Amal Sharma
AGH Strategies - Alice Frumin, Andrew Hunt, Eli Lisseck, Nikki Murray, Tommy
    Bobo, Tyrell Cook
Agileware - Alok Patel, Francis Whittle, Iris Abarquez, Justin Freeman, Vaibhav
    Sagar
András Molnár
Andrew West
AppChecker
Aputsiaĸ Niels Janussen
Arkadiusz Rzadkowolski
Arun Singh
ATD Fourth World - Véronique Gratioulet
Atif Shaikh
Australian Greens - Seamus Lee
Awebon Technologies - Karthikeyan Balasubramanian
BackOffice Thinking - Hassan Farooq
Barbara Miller
Black Brick Software - David Hayes
Blackfly Solutions - Alan Dixon
British Humanist Association - Andrew West
Borislav Zlatanov
Brian Dombrowski
Brooks Digital - Spencer Brooks
Caroline Badley
CEDC - Laryn Kragt Bakker
Chanun Chirattikanon
Charlie DeTar
Chirojeugd Vlaanderen - Johan Vervloet
Chris Burgess
Christian Wach
Circle Interactive - Dave Jenkins
CiviCoop - Erik Hommel, Jaap Jansma
CiviDesk - Nicolas Ganivet, Sunil Pawar, Virginie Ganivet, Yashodha Chaku
CiviFirst - John Kirk
Community Builders - Dejan Lukic
Community IT Academy - William Mortada
CompuCorp - Camilo Rodriguez, Guanhuan Chen, Kacper Warda, Jamie Novick, Michael
    Devery, Mukesh Ram, Omar Abu Hussein
Coop SymbioTIC - Mathieu Lutfy, Samuel Vanhove
Dave D
Dave Greenberg
David Hayes
Deepak Srivastava
Denver DataMan - Steve Kessler
Dhanesh Dhuri
Daniël van Vuuren
Dmitry Smirnov
Donald Lobo
E-Dynamics - Franky Van Liedekerke
Eaiman Shoshi
Effy Elden
Electronic Frontier Foundation - Mark Burdett
Elin Waring
Emphanos LLC
Ergon Logic Enterprises - Christopher Gervais
Erich Schulz
Esantanche
Francesc Bassas i Bullich
Freeform Solutions - Lola Slade, Stephanie Gray, Herb van den Dool
Future First - David Knoll, John Prescott
Fuzion - Peter Davis, Torrance Hodgson, Jitendra Purohit
Giant Rabbit - Peter Haight
Ginkgo Street Labs - Frank Gómez, Galata Tona, Michael Daryabeygi, Roshani
    Kothari
Gizra - Aron Novak
Greenleaf Advancement - Guy Iaccarino, Karen Stevenson
Hartmann Computer Consulting - Peter Hartmann
iXiam - Luciano Spiegel
Jake Martin White
JazzMan
jernic
Jérôme Lebleu
JMA Consulting - Edsel Lopez, Joe Murray, Monish Deb
Joanne Chester
Joe McLaughlin
John Kingsnorth
Joinery - Allen Shaw
Joost Fock
Joris
Kanzu Code - Carl Andrew Lema
Kemal Bay
Ken West
Kevin Levie
Kevin Reynen
Klaas Eikelboom
Klangsoft - David Reedy Jr
Kompetenzzentrum Technik-Diversity-Chancengleichheit - Niels Heinemann
Korlon - Stuart Gaston
K Sneed Consulting - Kate Sneed
Left Join Labs - Sean Madsen
Lemniscus - Noah Miller
Lesley Evensen
Lighthouse Consulting and Design - Brian Shaughnessy
Marc Brazeau
Marty Wright
Mattias Michaux
Megaphone Technology Consulting - Jon Goldberg
Michael Hurwicz
Mihael Mladenov
Milton Zurita
MJW Consulting - Matthew Wire
Mohit Aggarwal
MongoDB - A. Jesse Jiryu Davis
mountev
myDropWizard - David Snopek
Nathan Brettell
National Urban League - Lisa Taliano
Neuwald Tecnologia da Informação - Arthur Almeida
Nicholai Burton
Niels Heinemann
New York City Council
New York State Senate - Ken Zalewski
Noah's Light Foundation - Carlos Loeza
Northbridge Digital - Oliver Gibson
Olaf Buddenhagen
Olivier Hertrich
Oxfam Germany - Thomas Schüttler
Palante Technology Cooperative - Joseph Lacey
Paul Campbell
Pawel Nowak
PowDevel - Beto Aveiga
Pradeep Nayak
Progressive Technology Project - Alice Aguilar, Jamie McClelland
Randy Tobias
Redfin Solutions - Chris Wells
Richard Van Oosterhout
Rohan Ramesh Katkar
Romain Thouvenin
Rupal Javiya
Samson Alajede
Saurabh Batra
Sébastien Beyou
Semper IT - Karin Gerritsen
Sharique Ahmed Farooqui
Shawn Holt
Skvare - Jeremy Proffitt, Mark Hanna, Peter Petrik
Smiling Heart Enterprises - Neil Planchon
Spry Digital - Ellen Hendricks
Squiffle Consulting - Aidan Saunders
Stan Dragnev
Stephen Palmstrom
Symbiotic - Mathieu Lutfy, Samuel Vanhove
Systopia - Björn Endres, Niko Bochan, Philipp Batroff
Tadpole Collective - Dana Skallman, Kevin Cristiano
Team Expansion - Greg Harris
Tech to the People - Xavier Dutoit
Third Sector Design - Michael McAndrew
Thomas Leichtuss
Thomas Schüttler
Tim Mallezie
Timbsoft Technologies - Tunbola Ogunwande
Tobias Lounsbury
Torenware Networks - Rob Thorne
University of Cambridge – Alex Corr
Vasantha Kaje
Veda Consulting - Parvez Saleh, Kajan
Vedant Rathore
Vikas Kumar
Vinu Varshith Sekar
Wanna Pixel - Nathan Porter, Marisa Porter
We Move Europe/Caltha - Tomasz Pietrzkowski
Web Access - Kurund Jalmi, Sudha Bisht
Wikimedia Foundation - Adam Wight, Eileen McNaughton, Elliott Eggleston, Maggie
    Epps
Will Long
yurg

************************************************
Key Contributors and Sponsors for 4.6
************************************************

CiviCRM Team - Atif Shaikh, Coleman Watts, David Greenberg, Donald Lobo,
               Eileen McNaughton, Jitendra Purohit, Josh Gowan, Kurund Jalmi,
               Michael McAndrew, Monish Deb, Rohan Ramesh Katkar, Tim Otten,
               Yashodha Chaku
ADG Communications - Steve Binkowski
AGH Strategies - Andrew Hunt, Jane Hanley, Tommy Bobo, Tyrell Cook
Agileware - Justin Freeman, Francis Whittle, Iris Abarquez, Vaibhav Sagar
Alex C
Allan Chappell
Amnesty International Spain - Carlos Capote
Andreas Hennings
Andy Clark
Arete Imagine - Marisa Porter, Nate Porter
Asylum Hill Congregational Church
Blackfly Solutions - Alan Dixon
Botanical Society of America - Toby Lounsbury
Chirojeugd Vlaanderen - Johan Vervloet
Christian Wach
Chris Ward
Circle Interactive - Dave Moreton, Andrew Walker, Dave Jenkins, Maya Gibbs
CiviCoop - Erik Hommel, Jaap Jansma
CiviDesk - Nicolas Ganivet, Sunil Pawar
Community Human Services Corporation - Paul Mosey
Compucorp - Jamie Novick, Greg Meszeros, Robin Mitra, Guanhuan Chen, Chanun Chirattikanon
David Hepper
Detlev Sieber
Drishtant - Ruchi Kumar
Drupal Association - Neil Drumm
Elliott Eggleston
Freeform Solutions - Lola Slade
Future First - David Knoll, John Prescott, Vitor Nobrega
Fuzion, NZ - Chris Burgess, Eileen McNaughton, Peter Davis
Giantrabbit - Anthony Nemirovsky, Peter Haight
Ginkgo Street Labs - Frank J. Gómez, Michael Daryabeygi
GMVCO Databases - Jon-man Cheung, Alex Lee, Craig Almond
Google Summer of Code - Aditya Nambiar, Siddhant Rajagopalan, Torrance Hodgeson
Gnu.org - David Thompson
Jaka Kranjc
JMA Consulting - Joe Murray, Pradeep Nayak, Edsel Lopez
Joanne Chester
John Kingsnorth
jsnyder83
Kathryn Benedicto
Han Velthuis
Ken West
Kirk Jackson
Korlon - Stuart Gaston
Lighthouse Consulting and Design - Brian Shaughnessy
Mattias Michaux
Max
MC3 - Graham Mitchell
Mission Matters - Joshua Aranda
Mobius - Jeremy Proffitt
Northbridge Digital - Oliver Gibson
Symbiotic - Mathieu Lutfy, Samuel Vanhove
National Democratic Institute - Chris Doten
New York State Senate - Ken Zalewski
Niro Solutions
Palente Technology Cooperative - Jon Goldberg, Joseph Lacey
Paul Campbell
Pogstone - Sarah Gladstone
Progressive Tech Project - Alice Aguilar, Jamie McClelland
Registered Nurses Association of Ontario - Stan Dragnev
Richard Van Oosterhout
Seamus Lee
Semper IT - Karin Gerritsen
Skvare - Mark Hanna, Peter Petrik
Squiffle Consulting - Aidan Saunders
Stephen Palmstrom
Systopia - Björn Endres, Fabian Schuttenberg, Martin Peth, Niko Bochan
Tadpole - Dana Skallman, Kevin Cristiano
Tech to the People - Xavier Dutoit
TeNNoX
Tim Mallezie
Toke Høiland-Jørgensen
Veda Consulting - Priyanka Karan, Parvez Saleh, Deepak Srivastava
William Theaker
Web Access - Tony Mazzerella, Nileema Jadhav, Parag Bhilkar, Pratiksha Dubey, Manish More
Wikimedia Foundation - Adam Wight
Zing - Simon West, Andrew Tombs, Vivek Arora

************************************************
Key Contributors and Sponsors for 4.5
************************************************

CiviCRM Team - Coleman Watts, David Greenberg, Donald Lobo,
               Kurund Jalmi, Michael McAndrew, Monish Deb, Pratik Joshi,
               Tim Otten, Yashodha Chaku, Eileen McNaughton
AGH Strategies - Andrew Hunt, Maggie Epps, Tyrell Cook
Allan Chappell
Amnesty International Spain - Carlos Capote
Andy Clark
Arete Imagine - Marisa Porter, Nate Porter
Botanical Society of America - Toby Lounsbury
Chris Burgess
Chris Ward
Circle Interactive - Andrew Walker, Dave Jenkins
CiviDesk - Nicolas Ganivet, Sunil Pawar
Compucorp - Jamie Novick, Erawat Chamanont
CiviCoop - Erik Hommel, Jaap Jansma
Detlev Sieber
Drishtant - Ruchi Kumar
Drupal Association - Neil Drumm
Electronic Frontier Foundation - Mark Burdett, Max Hunter, Leez Wright
Freeform Solutions - Lola Slade
Fuzion, NZ - Eileen McNaughton, Peter Davis, Torrance Hodgeson
Giant Rabbit - Peter Haight, Anthony Nemirovsky
Ginkgo Street Labs - Frank J. Gómez, Michael Daryabeygi
Graham Mitchell
Great Lakes Planetarium Association - Geoff Holt
Jennifer Simonis
Jeremy Proffitt
Jim Meehan
Jimmy Huang
JMA Consulting - Joe Murray
Joanne Chester
Ken West
Kirk Jackson
Korlon - Stuart Gaston
Koumbit - Samuel Vanhove
Lighthouse Consulting and Design - Brian Shaughnessy
Mathieu Lutfy
Mission Matters - Joshua Aranda
National Democratic Institute - Chris Doten
New York State Senate - Ken Zalewski
Niro Solutions
Palente Technology Cooperative - Jon Goldberg, Joseph Lacey
Pogstone - Sarah Gladstone
Progressive Tech Project - Alice Aguilar, Jamie McClelland
Semper IT - Karin Gerritsen
Skvare - Mark Hanna, Peter Petrik
Systopia - Björn Endres
Tadpole - Dana Skallman
Tech to the People - Xavier Dutoit
Veda Consulting - Parvez Saleh, Deepak Srivastava
Web Access - Pradeep Nayak, Tony Mazzarella
Wikimedia Foundation - Adam Wight
Zing - Simon West, Andrew Tombs

************************************************
Key Contributors and Sponsors for 4.4
************************************************

CiviCRM Team - Coleman Watts, David Greenberg, Donald Lobo,
               Kurund Jalmi, Michael McAndrew, Monish Deb,
               Tim Otten, Yashodha Chaku, Eileen McNaughton
AGH Strategies - Andrew Hunt
Backoffice Thinking
Chris Burgess
Circle Interactive - Andrew Walker, Dave Jenkins
CiviDesk - Nicolas Ganivet
CiviCoop - Erik Hommel, Jaap Jansma
CiviHosting - Hershel Robinson
CompuCorp - Jamie Novick, Erawat Chamanont
Confluence - Frank Gomez, Michael Daryabeygi
Dave D
Detlev Sieber
Drupal Association - Neil Drumm
Electronic Frontier Foundation - Micah Lee, Kellie Brownell
Emphanos - Allen Shaw
Freeform Solutions - Lola Slade
Fuzion, NZ - Eileen McNaughton, Peter Davis, Torrance Hodgeson
Giant Rabbit - Anna Heath
Jim Meehan
JMA Consulting - Joe Murray
Joanne Chester
Keith Morgan
Ken West
Korlon - Stuart Gaston
Koumbit - Samuel Vanhove
Lighthouse Consulting and Design - Brian Shaughnessy
Mathieu Lutfy
National Democratic Institute - Chris Doten
New York State Senate - Ken Zalewski
NfP Services (MTL Software Group) - Jag Kandasamy, Rajesh Sundararajan
Niro Solutions
Noah Miller
Orgis - Hans Idink
Palente Technology Cooperative - Jon Goldberg, Joseph Lacey
Paul Delbar
Pogstone - Sarah Gladstone
Progressive Tech Project - Alice Aguilar, Jamie McClelland
Registered Nurses Association of Ontario
San Francisco Baykeeper - Eliet Henderson
Tadpole - Dana Skallman
Tallyfox
Tech to the People - Xavier Dutoit
Veda Consulting - Parvez Saleh, Deepak Srivastava
Web Access - Pradeep Nayak
Wikimedia Foundation - Adam Wight
Zing - Simon West, Andrew Tombs

************************************************
Key Contributors and Sponsors for 4.3
************************************************

CiviCRM Team - Coleman Watts, David Greenberg, Deepak Srivastava, Donald Lobo,
               Kurund Jalmi, Michael McAndrew, Pratik Joshi, Ravish Nair,
               Tim Otten, Yashodha Chaku, Eileen McNaughton
AGH Strategies - Andrew Hunt
Backoffice Thinking
Chris Burgess
Circle Interactive - Andrew Walker, Dave Jenkins
CiviDesk - Nicolas Ganivet
CiviHosting - Hershel Robinson
Community Builders
Compucorp
Dave D
EE-atWork - Erik Hommel
Electronic Frontier Foundation - Micah Lee, Kellie Brownell
Emphanos - Allen Shaw
Fuzion, NZ - Eileen McNaughton, Peter Davis, Torrance Hodgeson
Ginkgo Street Labs - Frank J. Gómez, Michael Daryabeygi
Jim Meehan
JMA Consulting - Joe Murray, Pradeep Nayak
Keith Morgan
Ken West
Korlon - Stuart Gaston
Koumbit - Samuel Vanhove
Lighthouse Consulting and Design - Brian Shaughnessy
Mathieu Lutfy
New York State Senate - Ken Zalewski
NfP Services (MTL Software Group) - Jag Kandasamy, Rajesh Sundararajan
Niro Solutions
Noah Miller
Palente Technology Cooperative - Jon Goldberg
Progressive Tech Project - Alice Aguilar, Jamie McClelland
Paul Delbar
Registered Nurses Association of Ontario
San Francisco Baykeeper - Eliet Henderson
Tech to the People - Xavier Dutoit
Third Sector Design
Veda Consulting - Parvez Saleh
Web Access
Zing - Simon West, Andrew Tombs


************************************************
Sponsors and key contributors for 4.2
************************************************
The following people and organizations sponsored and/or contributed new and improved features for the 4.2 release.

Abril Rocabert
Adam Wight
Alice Aguilar
Allen Shaw
Andres Spagarino
Andrew Hunt
Anthony Camilleri
Ariel Gold
Brian Shaughnessy
Chris Ward
Dave Moreton
Eileen McNaughton
Eliet Henderson
Erik Hommel
Frank Gomez
Graylin Kim
Jamie McClelland
Jane Hanley
Jason Bertolacci
Joe Murray
John Derry
Jon Goldberg
Kasia Wakarecy
Katie Horn
Katy Jockelson

Ken Zalewski
Lisa Jervis
Mathieu Lutfy
Matt Neimayer
Micah Lee
Michael McAndrew
Nicolas Ganivet
Noah Miller
Parvez Saleh
Peter Gehres
Peter McAndrew
Robyn Perry
Samuel Vanhove
Simon West
Stéphane Lussier
Stuart Gaston
Xavier Dutoit

Art of Living
Backoffice Thinking
Community Builders
DC Road Runners
EE atWork
Electronic Frontier Foundation
Freeform Solutions
Free Software Foundation
Fuzion NZ
Gingko Street Consulting
JMA Consulting
Korlon
Koumbit
Lighthouse Consulting
National Democratic Institute
New York State Senate
NS Web Solutions
Progressive Technology Project
San Francisco Baykeeper
Tech to the People
The Monthly.com
Veda Consulting
Xstreme Media
Zing

************************************************
Sponsors and key contributors for 4.1
************************************************
The following people and organizations sponsored and/or contributed new and improved features for the 4.1 release.

Adam Wight
Andrew Harris
Alice Aguilar
Andre Gurgel
Brian Shaugnessy
Coleman Watts
Dave D
Dave Moreton
Eileen McNaughton
Erik Brower
Erik Hommel
Henry Bennett
Jamie McClelland
Jim Taylor
Jonathan Mark
Joe Murray
Marianela Zucotti Bozzano
Michael McAndrew
Steve Colson
Stuart Gaston
Tim Otten
Tom Kirkpatrick
Xavier Dutoit

AGH Strategies
Amigos Library Services
Association for Learning Technology
Attendee Management
Benton Consulting
Circle Interactive
CivicActions
Community Builders
EE-atWork
Fuzion (NZ)
Giant Rabbit
Kindling Trust
Korlon
International Mountain Biking Association
International Society for Bayesian Analysis
Josiesque Designs
Michigan Parents for Schools
New York State Senate
Nonprofit Association of Oregon
Nonprofit Solutions
Powered by Action
Progressive Technology Project
Resolutions Northwest
River Pool at Beacon
Rooty Hollow
San Francisco Baykeeper
Scotland's Colleges
Switchback
System Seed
Tech to the People
The San Francisco Orff-Schulwerk
Third Sector Design
Voluntary Action Westminster
Vpod Schweiz
Woven

************************************************
Sponsors for 3.4 / 4.0 Make-it-Happen Projects
************************************************
The following people and organizations sponsored new and improved features for the 3.4 / 4.0 release.

ACORN Canada http://acorncanada.org
Allora Consulting http://alloraconsulting.com
American Friends Service Committee http://afsc.org/
Australian Greens http://greens.org.au
BREAZE http://breaze.org.au
Canadian Paramedics http://www.peelparamedics.com
Community Builders Australia Pty Ltd
Corvair Society of America (CORSA) http://www.corvair.org/
Donor Depot http://donordepot.com
Energetica http://energetica.com.au
Fuzion http://fuzion.co.nz
Gold Strategy Group http://www.goldstrategygroup.com
JMA Consulting http://jmaconsulting.biz
Joomkit Ltd http://joomkit.com
Kabissa - Space for Change in Africa http://kabissa.org
NS Web Solutions http://nswebsolutions.com
NAMI Louisville  http://namilouisville.org
Progressive Technology Project http://www.progressivetech.org
RVTC http://rvtc.us
Volunteer Honduras http://www.volunteerhonduras.org

Briney, Matthew
Brownsberger, Will
Burden, Monica
Calleeuw, Bart
Cimpian, Casti
Clarke, Jill
Davis, Peter
Day, Janette
Gold, Ariel
Hadar, Kehilat
Malkoun, Anthony
Matsushita, Jun
McNaughton, Eileen
Murray, Joe
Shaughnessy, Brian
Spagarino, Andres
Speleo
Stuart, josh
Tabletguy
Watts, Danny
Wistreich, Nic

****************************************
Sponsors for 3.3 Make-it-Happen Projects
****************************************
The following people and organizations sponsored new and improved features for the 3.3 release.

JMA Consulting: http://jmaconsulting.biz/
Emergency Picnic: http://emergencypicnic.net/
Thomas Carlson
Micheas Herman
T.J. Hellman
Gold Strategy Group: http://www.goldstrategygroup.com
Laura Velkei
John Barclay
Matthew Briney: http://emotivellc.com
2020Media: http://www.2020media.com/
Social Contxt: http://socialcontxt.com/
Impari Systems Inc: http://www.imparisystems.com/
Alpha: http://uk.alpha.org
Cambridge Union: http://www.cus.org
St Ethelburga's: http://stethelburgas.org
Joomkit: http://www.joomkit.com
International Mountain Biking Association: http://www.imba.com/
Niro Solutions: http://www.nirosolutions.com/
Fuzion: http://fuzion.co.nz
ArtD Webdesign
CivicActions: http://civicactions.com/
NES Alumni and Friends Nonprofit Partnership: https://www.nesalumni.org/en
Gold Strategy Group: http://www.goldstrategygroup.com
Creative Commons: http://creativecommons.org/
Community Builders Australia Pty Ltd: http://www.communitybuilders.com.au/
Australian Greens: http://greens.org.au/
NES Alumni and Friends Nonprofit Partnership: https://www.nesalumni.org/en
Data-Scribe: http://www.datascribe.biz/
Rayogram: http://www.rayogram.com/
GingerFeet LLC: http://www.gingerfeet.com/
Kabissa: http://kabissa.org
Beth Hynes-Ciernia