1. Department of Animal Genomics and Molecular Biology; National Research Institute of Animal Production; Balice Poland
2. Department of Genetics, Centre of Applied Biotechnology and Basic Sciences; University of Rzeszow; Rzeszow Poland
3. Division of Pedriatric Hematology/Oncology, Department of Clinical Research; University of Bern; Bern Switzerland
4. Swiss Institute of Equine Medicine ISME, Department of Clinical Veterinary Medicine, Vetsuisse Faculty; University of Bern and Agroscope; Bern Switzerland
5. Equine Clinic, General Surgery and Radiology; Freie Universität Berlin; Berlin Germany