1. Pharmaceutical Biology, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
2. Faculty of Pharmacy and Sumatran Biota Laboratory, Andalas University, Kampus Limau Manis, Padang, West Sumatra 25175, Indonesia
3. Division of Pharmacology and Toxicology, Department of Pharmaceutical Sciences, University of Vienna, Pharmaziezentrum, Althanstrasse 14, 1090 Vienna, Austria
4. Center for Pharmacognostic Research on Panamanian Flora, Faculty of Pharmacy, University of Panama, Panama City 0801, Panama