About the Authors

Bianca Haase

Affiliations Institute of Genetics, Vetsuisse Faculty, University of Berne, Berne, Switzerland , DermFocus, Vetsuisse Faculty, University of Berne, Berne, Switzerland

Samantha A Brooks

Affiliation M. H. Gluck Equine Research Center, University of Kentucky, Lexington, Kentucky, United States of America

Angela Schlumbaum

Affiliation Institute of Prehistory and Archaeological Sciences, University of Basel, Basel, Switzerland

Pedro J Azor

Affiliations Institute of Genetics, Vetsuisse Faculty, University of Berne, Berne, Switzerland , Department of Genetics, University of Cordoba, Gregory Mendel Building, Cordoba, Spain

Ernest Bailey

Affiliation M. H. Gluck Equine Research Center, University of Kentucky, Lexington, Kentucky, United States of America

Ferial Alaeddine

Affiliation Division of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Berne, Berne, Switzerland

Meike Mevissen

Affiliation Division of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Berne, Berne, Switzerland

Dominik Burger

Affiliation Swiss National Stud, Avenches, Switzerland

Pierre-André Poncet

Affiliation Swiss National Stud, Avenches, Switzerland

Stefan Rieder

Affiliation Swiss College of Agriculture, Zollikofen, Switzerland

Tosso Leeb

To whom correspondence should be addressed. E-mail: Tosso.Leeb@itz.unibe.ch

Affiliations Institute of Genetics, Vetsuisse Faculty, University of Berne, Berne, Switzerland , DermFocus, Vetsuisse Faculty, University of Berne, Berne, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

BH, SR, and TL designed research. BH, SAB, AS, PJA, FA, and SR performed research. SAB, EB, DB, and PAP contributed new reagents (horse samples). BH, SAB, MM, SR, and TL analyzed data. BH and TL wrote the paper.