1. Center for Drug Discovery, Institute for Advanced Scientific Research and High Technology Services, City of Knowledge, PO Box 0843-01103, Panama
2. Laboratory of Tropical Bioorganic Chemistry, University of Panama, Panama City, Apartado 0824-00159, Panama
3. Division of Plant Pathology and Microbiology, University of Arizona, Tucson, Arizona 85721, USA
4. Center for Cellular & Molecular Biology of Diseases, Institute for Advanced Scientific Research and High Technology Services, City of Knowledge, PO Box 0843-01103, Panama
5. Center for Marine Biotechnology and Biomedicine, University of California San Diego, La Jolla, California 92093, USA