Hamada, Yuzuru (Primate Research Institute, Kyoto University)
Huffman, Michael A. (Primate Research Institute, Kyoto University)
Idani, Genichi (Grate ape Research Institute, Hayashibara)
Matsuzawa, Teturo (Primate Research Institute, Kyoto University)
Matsuzayashi, Kiyoaki (Primate Research Institute, Kyoto University)
Tomonaga, Masaki (Primate Research Institute, Kyoto University)
Yamagiwa, Juichi (Graduate School of Science, Kyoto University)
Yamakoshi, Gen (Graduate School of Science, Kyoto University)
Yoshiwara, Koichiro (Tama Zooligical Park, Tokyo)
All 9 people