1. Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3)University of Florida 1345 Center Drive Gainesville FL 32610 USA
2. Smithsonian Marine Station 701 Seaway Drive Fort Pierce FL 34949 USA
3. Institute of Molecular and Cell Biology (IMCB)A*STAR, Proteos Singapore 138673 Singapore
4. Lee Kong Chian School of MedicineNanyang Technological University 59 Nanyang Drive Singapore 636921 Singapore
5. Department of MedicineUniversity of Florida Gainesville FL 32610 USA