Authors: Michael L Wilson; Christophe Boesch; Barbara Fruth; Takeshi Furuichi; Ian C Gilby; Chie Hashimoto; Catherine L Hobaiter; Gottfried Hohmann; Noriko Itoh; Kathelijne Koops; Julia N Lloyd; Tetsuro Matsuzawa; John C Mitani; Deus C Mjungu; David Morgan; Martin N Muller; Roger Mundry; Michio Nakamura; Jill Pruetz; Anne E Pusey; Julia Riedel; Crickette Sanz; Anne M Schel; Nicole Simmons; Michel Waller; David P Watts; Frances White; Roman M Wittig; Klaus Zuberbühler; Richard W Wrangham Journal: Nature Date: 2014-09-18 Impact factor: 49.962