Marzec, Anna M.
Kunz, Julia A.
Falkner, Sonja
Atmoko, Sri Suci Utami
Alavi, Shauhin E.
Moldawer, Alysse M.
Vogel, Erin R.
Schuppli, Caroline
van Schaik, Carel P.
van Noordwijk, Maria A.
Funding for this research was provided by:
Universität Zürich (n/a)
A.H. Schultz-Stiftung zur Förderung Primatologischer Forschung (n/a)
Philadelphia ZOO (n/a)
United States Agency for International Development (APS-497-11-000001)
Article History
Received: 4 September 2015
Revised: 15 December 2015
Accepted: 20 December 2015
First Online: 3 February 2016
Compliance with ethical standards
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. This article does not contain any studies with human participants performed by any of the authors.
: This study was funded by the University of Zurich (grant number not available), A.H. Schultz-Stiftung zur Förderung Primatologischer Forschung (grant number not available), United States Agency for International Development (USA) (APS-497-11-000001), and Philadelphia Zoo (grant number not available).
: The authors declare that they have no competing interests.