About the Authors

Jessica L. Petersen

jlpeters@umn.edu

Affiliation University of Minnesota, College of Veterinary Medicine, St Paul, Minnesota, United States of America

James R. Mickelson

Affiliation University of Minnesota, College of Veterinary Medicine, St Paul, Minnesota, United States of America

E. Gus Cothran

Affiliation Texas A&M University, College of Veterinary Medicine and Biomedical Science, College Station, Texas, United States of America

Lisa S. Andersson

Affiliation Swedish University of Agricultural Sciences, Department of Animal Breeding and Genetics, Uppsala, Sweden

Jeanette Axelsson

Affiliation Swedish University of Agricultural Sciences, Department of Animal Breeding and Genetics, Uppsala, Sweden

Ernie Bailey

Affiliation University of Kentucky, Department of Veterinary Science, Lexington, Kentucky, United States of America

Danika Bannasch

Affiliation University of California Davis, School of Veterinary Medicine, Davis, California, United States of America

Matthew M. Binns

Affiliation Equine Analysis, Midway, Kentucky, United States of America

Alexandre S. Borges

Affiliation University Estadual Paulista, Department of Veterinary Clinical Science, Botucatu-SP, Brazil

Pieter Brama

Affiliation University College Dublin, School of Veterinary Medicine, Dublin, Ireland

Artur da Câmara Machado

Affiliation University of Azores, Institute for Biotechnology and Bioengineering, Biotechnology Centre of Azores, Angra do Heroísmo, Portugal

Ottmar Distl

Affiliation University of Veterinary Medicine Hannover, Institute for Animal Breeding and Genetics, Hannover, Germany

Michela Felicetti

Affiliation University of Perugia, Faculty of Veterinary Medicine, Perugia, Italy

Laura Fox-Clipsham

Affiliation Animal Health Trust, Lanwades Park, Newmarket, Suffolk, United Kingdom

Kathryn T. Graves

Affiliation University of Kentucky, Department of Veterinary Science, Lexington, Kentucky, United States of America

Gérard Guérin

Affiliation French National Institute for Agricultural Research-Animal Genetics and Integrative Biology Unit, Jouy en Josas, France

Bianca Haase

Affiliation University of Sydney, Veterinary Science, New South Wales, Australia

Telhisa Hasegawa

Affiliation Nihon Bioresource College, Koga, Ibaraki, Japan

Karin Hemmann

Affiliation University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland

Emmeline W. Hill

Affiliation University College Dublin, College of Agriculture, Food Science and Veterinary Medicine, Belfield, Dublin, Ireland

Tosso Leeb

Affiliation University of Bern, Institute of Genetics, Bern, Switzerland

Gabriella Lindgren

Affiliation Swedish University of Agricultural Sciences, Department of Animal Breeding and Genetics, Uppsala, Sweden

Hannes Lohi

Affiliation University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland

Maria Susana Lopes

Affiliation University of Azores, Institute for Biotechnology and Bioengineering, Biotechnology Centre of Azores, Angra do Heroísmo, Portugal

Beatrice A. McGivney

Affiliation University College Dublin, College of Agriculture, Food Science and Veterinary Medicine, Belfield, Dublin, Ireland

Sofia Mikko

Affiliation Swedish University of Agricultural Sciences, Department of Animal Breeding and Genetics, Uppsala, Sweden

Nicholas Orr

Affiliation Institute of Cancer Research, Breakthrough Breast Cancer Research Centre, London, United Kingdom

M. Cecilia T Penedo

Affiliation University of California Davis, School of Veterinary Medicine, Davis, California, United States of America

Richard J. Piercy

Affiliation Royal Veterinary College, Comparative Neuromuscular Diseases Laboratory, London, United Kingdom

Marja Raekallio

Affiliation University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland

Stefan Rieder

Affiliation Swiss National Stud Farm, Agroscope Liebefeld-Posieux Research Station, Avenches, Switzerland

Knut H. Røed

Affiliation Norwegian School of Veterinary Science, Department of Basic Sciences and Aquatic Medicine, Oslo, Norway

Maurizio Silvestrelli

Affiliation University of Perugia, Faculty of Veterinary Medicine, Perugia, Italy

June Swinburne

Affiliations Animal Health Trust, Lanwades Park, Newmarket, Suffolk, United Kingdom, Animal DNA Diagnostics Ltd, Cambridge, United Kingdom

Teruaki Tozaki

Affiliation Laboratory of Racing Chemistry, Department of Molecular Genetics, Utsunomiya, Tochigi, Japan

Mark Vaudin

Affiliation Animal Health Trust, Lanwades Park, Newmarket, Suffolk, United Kingdom

Claire M. Wade

Affiliation University of Sydney, Veterinary Science, New South Wales, Australia

Molly E. McCue

Affiliation University of Minnesota, College of Veterinary Medicine, St Paul, Minnesota, United States of America

Competing Interests

Matthew M. Binns is employed by Equine Analysis, June Swinburne by Animal DNA Diagnostics Ltd., and Emmeline W. Hill, Nickolas Orr, and Beatrice A. McGivney are associated with Equinome Ltd. There are no competing interests including patents, products in development, or marketed products to declare in relationship to this work. This does not alter the authors‚ adherence to all the PLOS ONE policies on sharing details and materials.

Author Contributions

Conceived and designed the experiments: JLP JRM MEM. Performed the experiments: JLP MEM. Analyzed the data: JLP. Contributed reagents/materials/analysis tools: JLP JRM EGC LSA JA EB DB MMB ASB PB ACM OD MF LFC KTG GG BH TH KH EWH TL GL HL MSL BAM SM NO MCTP RJP MR SR KHR MS JS TT MV CMW MEM. Wrote the paper: JLP JRM EGC MEM.