1. Agricultural Research Service,
Natural Products Utilization Research Unit, U.S. Department of Agriculture, University of Mississippi, University,
Mississippi 38677, United States
2. Departamento de Microbiologia, Instituto
de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
3. Natural Products Discovery Group,
College of Pharmacy and Health Sciences, Mercer University, Atlanta, Georgia 30341, United States