[1] Wake Forest Sch Med, Dept Pathol, Winston Salem, NC 27101 USA
[2] Univ New Mexico, Dept Anthropol, Albuquerque, NM 87131 USA
[3] Arizona State Univ, Sch Human Evolut & Social Change, Tempe, AZ 85287 USA
[4] Arizona State Univ, Inst Human Origins, Tempe, AZ 85287 USA
[5] Tufts Univ, Dept Anthropol, Medford, MA 02155 USA
[6] Univ Michigan, Dept Anthropol, Ann Arbor, MI 48109 USA
[7] Makerere Univ Biol Field Stn, Kibale Chimpanzee Project, Ft Porta, Uganda
[8] Harvard Univ, Dept Human Evolutionary Biol, Cambridge, MA 02138 USA
[9] Univ Wisconsin, Dept Pathobiol Sci, Madison, WI 53706 USA