1. Nocturnal Primate Research Group, School of Social Sciences Oxford Brookes University Oxford UK
2. Department of Physical Therapy Duquesne University Pittsburgh Pennsylvania USA
3. Research Center for Biosystematics and Evolution, National Research and Innovation Agency [BRIN] Indonesia
4. Research Center for Applied Zoology, National Research and Innovation Agency [BRIN] Indonesia
5. National Research and Innovation Agency [BRIN] Indonesia
6. School of Physical Therapy Slippery Rock University Slippery Rock Pennsylvania USA