1. Department of Ecology and Social BehaviorPrimate Research InstituteInuyama Aichi Japan
2. Department of AnthropologyUniversity of Sri JayewardenepuraGangodawila Nugegoda Sri Lanka
3. Laboratory of Wildlife Medicine, Faculty of Veterinary ScienceNippon Veterinary and Life Science UniversityMusashino Tokyo Japan
4. Center for Human Evolution Modeling Research, Primate Research InstituteKyoto UniversityInuyama Aichi Japan
5. Department of Computer ScienceUniversity of Sri JayewardenepuraGangodawila Nugegoda Sri Lanka
6. Department of PsychologyRandolph‐Mason CollegeAshland Virginia