[1
]
1] Department of Anthropology, University of Minnesota, 395 Humphrey Center, 301 19th
Avenue South, Minneapolis, Minnesota 55455, USA [2] Department of Ecology, Evolution
and Behavior, University of Minnesota, 1987 Upper Buford Circle, St Paul, Minnesota
55108, USA.
[2
]
Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Deutscher
Platz 6, 04103 Leipzig, Germany.
[3
]
1] Division of Neurobiology, Ludwig-Maximilians Universitaet Muenchen, Germany [2]
Centre for Research and Conservation, Royal Zoological Society of Antwerp, Belgium.
[4
]
Primate Research Institute, Kyoto University, 41-2 Kanrin, Inuyama, Aichi 484-8506,
Japan.
[5
]
1] Department of Evolutionary Anthropology, Duke University, 104 Biological Sciences
Building, Box 90383, Durham, North Carolina 27708-0680, USA [2] School of Human Evolution
and Social Change, Arizona State University, PO Box 872402, Tempe, Arizona 85287-2402,
USA.
[6
]
School of Psychology and Neuroscience, University of St Andrews, Westburn Lane, St
Andrews, Fife KY16 9JP, UK.
[7
]
Wildlife Research Center, Kyoto University, 2-24 Tanaka-Sekiden-Cho, Sakyo, Kyoto,
Japan.
[8
]
Division of Biological Anthropology, Department of Archaeology &Anthropology, University
of Cambridge, Henry Wellcome Building, Fitzwilliam Street, Cambridge CB2 1QH, UK.
[9
]
Zoology Department, Makerere University, P.O. Box 7062, Kampala, Uganda.
[10
]
1] Primate Research Institute, Kyoto University, 41-2 Kanrin, Inuyama, Aichi 484-8506,
Japan [2] Japan Monkey Center, 26 Kanrin, Inuyama, Aichi 484-0081, Japan.
[11
]
Department of Anthropology, University of Michigan, 101 West Hall, 1085 S. University
Avenue, Ann Arbor, Michigan 48109, USA.
[12
]
Gombe Stream Research Centre, The Jane Goodall Institute - Tanzania, P.O. Box 1182,
Kigoma, Tanzania.
[13
]
The Lester E. Fisher Center for the Study and Conservation of Apes, Lincoln Park Zoo,
Chicago, Illinois 60614, USA.
[14
]
Department of Anthropology, MSC01-1040, Anthropology 1, University of New Mexico,
Albuquerque, New Mexico 87131, USA.
[15
]
Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig,
Germany.
[16
]
Department of Anthropology, Iowa State University, 324 Curtiss, Ames, Iowa 50011,
USA.
[17
]
Department of Evolutionary Anthropology, Duke University, 104 Biological Sciences
Building, Box 90383, Durham, North Carolina 27708-0680, USA.
[18
]
Department of Anthropology, Washington University in St Louis, Campus Mailbox 1114,
One Brookings Drive, St Louis, Missouri 63130, USA.
[19
]
University of York, Department of Psychology, Heslington, York, YO10 5DD, UK.
[20
]
Department of Anthropology, University of Oregon, Eugene, Oregon 97403, USA.
[21
]
Department of Anthropology, Yale University, 10 Sachem Street, New Haven, Connecticut
06511, USA.
[22
]
1] School of Psychology and Neuroscience, University of St Andrews, Westburn Lane,
St Andrews, Fife KY16 9JP, UK [2] Université de Neuchâtel, Institut de Biologie, Rue
Emile-Argand 11, 2000 Neuchâtel, Switzerland.
[23
]
Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue Cambridge,
Massachusetts 02138, USA.