1. Functional and Tropical Plant Ecology Bayreuth Centre of Ecology and Environmental Research (BayCEER) University of Bayreuth Bayreuth Germany
2. Department of Agriculture and Natural Resources Sciences Namibia University of Science and Technology (NUST) Windhoek Namibia
3. Plant Ecology Group Institute of Evolution and Ecology University of Tübingen Tübingen Germany
4. Institute of Environmental Planning Leibniz University Hannover Hannover Germany
5. Smithsonian Tropical Research Institute Balboa Ancón Panama