1. Neotropical Primate Conservation, Cornwall PL11 3JQ, UK
2. Asociación Neotropical Primate Conservation Perú, Moyobamba 22001, Peru
3. Kawsay Biological Station, Puerto Maldonado 17001, Peru
4. School of (EAST) Engineering, Arts, Science & Technology, University of Suffolk, Ipswich BN1 4GE, UK
5. San Diego Zoo Global, Escondido, CA 92027, USA
6. Asociación Equipo Primatológico Del Perú, Moyobamba 22001, Peru
7. Centro De Investigación Biodiversidad Sostenible-Bios, Piura 20001, Peru
8. Global Conservation Institute, Santa Fe, NM 87506-9714, USA
9. Science Division, Mahidol University International College, Mahidol University, Bangkok 73170, Thailand