1. Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia
2. Laboratory of Veterinary Anatomy, Department of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8550, Japan
3. Zoology Division, Research Center for Biology, Indonesian Institute of Sciences, Cibinong 16911, Indonesia
4. Primate Research Center, IPB University, Bogor 16680, Indonesia