Acknowledgements
We thank Dr. Francesco Lamanna and Dr. Christiane Paul for participation
in sample collection in Congo/Brazzaville and Dr. Victor Mamonekene,
University of Brazzaville, for logistical support during field work.
Support from Katrin Kiemel in data analysis and manuscript revision is
also acknowledged. Financial support for this study was provided by the
University of Potsdam. Open Access funding is provided by the DEAL
project. R. Amen was funded by the Bridge Scholarship Program of the
University of Potsdam and from the Ministry of Higher Education of the
Arab Republic of Egypt.