1. Veterinary Genetics Laboratory School of Veterinary Medicine University of California‐Davis Davis California USA
2. Department of Population Health and Reproduction School of Veterinary Medicine University of California‐Davis Davis California USA
3. Equine Pregnancy Laboratory Comparative Biomedical Sciences Royal Veterinary College Hertfordshire UK
4. Rossdales Laboratories Newmarket UK
5. Department of Animal Science College of Agricultural and Environmental Sciences University of California‐Davis Davis California USA