1. Animal Husbandry Division, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia.
2. Veterinary Anatomy Division, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia.
3. Laboratory of Microbiology and Immunology, Faculty of Veterinary Medicine, Universitas Brawijaya, Malang, Indonesia.
4. Undergraduate Program, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia.