1. Division of Reproduction, Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
2. Faculty of Veterinary Sciences, Mahasarakham University, Maha Sarakham, Thailand
3. Department of Clinical Reproductive Physiology, High Institute of Infertility Diagnosis and Assisted Reproductive Technologies, Al-Nahrain University, Baghdad, Iraq
4. Viking Genetics, Skara, Sweden