1. Study Program of Veterinary Medicine, Faculty of Medicine, Universitas Padjadjaran, Jatinangor, Indonesia; Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Jatinangor, Indonesia.
2. Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Jatinangor, Indonesia.
3. Department of Clinic Reproduction Pathology, Faculty of Veterinary Medicine, Bogor Agricultural University, Bogor, Indonesia.
4. Department of Paraclinical, Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Kelantan, Malaysia.
5. Study Program of Veterinary Medicine, Faculty of Medicine, Universitas Padjadjaran, Jatinangor, Indonesia; Department of Public Health, Faculty of Medicine, Universitas Padjadjaran, Jatinangor, Indonesia.