1. Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892
2. Dipartimento di Scienze Farmaceutiche, University of Salerno, Via Ponte Don Melillo, 84084 Fisciano, Salerno, Italy
3. Coral Reef Research Foundation, Republic of Palau
4. Queensland Museum, P.O. Box 3300, South Brisbane, Qld 4101, Australia