1. Postgraduate School , Surabaya , Indonesia
2. Department of Veterinary Anatomy, Faculty of Veterinary Medicine , Surabaya , Indonesia
3. Department of Biology, Faculty of Science and Technology, Universitas Airlangga , 60115 , Surabaya , Indonesia
4. Department of Anatomical Pathology, Faculty of Medicine, Universitas Airlangga Surabaya , 60131 , Surabaya , Indonesia
5. Department of Health, Faculty of Vocational Studies, Universitas Airlangga Surabaya , 60286 , Surabaya , Indonesia