1. Botanic Garden and Botanical Museum, Königin-Luise-Str. 6–8, 14195 Berlin, Germany
2. Department of Dermatology, University of Pennsylvania, BRB 1046A, 421 Curie Blvd., Philadelphia, PA 19104, U.S.A.
3. Research Associate, Integrative Research Center, Science & Education, The Field Museum, 1400 South Lake Shore Drive, Chicago, IL 60605, U.S.A.