1. Laboratory for Analysis of Natural and Synthetic Environmental Toxins (LANSET), Department of Biology, University of Ottawa, Ottawa, Canada
2. Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Canada
3. Herbario Juvenal Valerio Rodriguez, Universidad Nacional, Heredia, Costa Rica
4. Department of Chemistry, University of South Florida, Tampa, FL, United States
5. Center for Ethnobiology and Natural Products (CENaP), Department of Biological Sciences, Florida International University, Miami, FL, United States
6. Department of Chemistry, University of Ottawa, Ottawa, Canada