1. Department of Ecology, Brandenburg University of Technology Cottbus-Senftenberg, 03046 Cottbus, Germany
2. Freelance Researcher, Waikato, New Zealand
3. German Primate Center, Gene Bank of Primates and Primate Genetics Laboratory, Leibniz Institute for Primate Research, 37077 Göttingen, Germany
4. Centre for Research and Conservation (CRC), Royal Zoological Society of Antwerp (RZSA), 2018 Antwerpen, Belgium
5. Terrestrial Ecology Unit (TEREC), Department of Biology, Ghent University (UGent), 9000 Ghent, Belgium
6. Faculty of Agronomy and Agricultural Sciences (FASA), University of Dschang, Dschang, Cameroon
7. Department of Mammalogy and Protected Area Management, Garoua Wildlife College, BP 271, Garoua, Cameroon
8. Department of Geography, Applied Geoinformation Science Laboratory, Humboldt University of Berlin, 10099 Berlin, Germany
9. Faculty of Environment and Natural Sciences, Institute of Biotechnology, Brandenburg University of Technology Cottbus-Senftenberg, 01968 Senftenberg, Germany