1. Department of Anthropology; New York University; 25 Waverly Place New York NY 10003
2. Jr Research Group “Sexual Selection”; German Primate Center; Kellnerweg 4 Göttingen 37077 Germany
3. Department of Sociobiology/Anthropology; University of Göttingen; Kellnerweg 6 Göttingen 37077 Germany
4. Unit of Infection Models; German Primate Center; Kellnerweg 4 Göttingen 37077 Germany
5. Division of Biological Chemistry; Biocenter Innsbruck Medical University, Center for Chemistry and Biomedicine; Innrain 80 6020 Innsbruck Austria
6. Endocrinology Laboratory; German Primate Center; Kellnerweg 4 37077 Göttingen Germany