1. Smithsonian Tropical Research Institute; Panama City Panama
2. Laboratory of Tropical Bioorganic Chemistry; Faculty of Natural and Exact Sciences and Technology; University of Panama; Panama City Panama
3. School of Plant Sciences and Department of Ecology and Evolutionary Biology; The University of Arizona; Tucson AZ USA
4. Department of Microbiology; University of Panama; Panama City Panama
5. Department of Biology; University of Utah; Salt Lake City UT USA