1. Department of Veterinary Integrative Biosciences, Interdisciplinary Program in Genetics, Texas A&M University, College Station, TX
2. Victor C. Mason is now at Department of Clinical Veterinary Medicine, Swiss Institute of Equine Medicine, Vetsuisse Faculty, University of Bern, Länggassstrasse, Bern, Switzerland
3. School of Biological Sciences, Environment Institute, and Centre for Applied Conservation Science, University of Adelaide, Adelaide, SA, Australia