1. Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, P.O. Box 26170, Greensboro, North Carolina 27402, USA
2. Department of Physical and Earth Sciences. Arkansas Tech University, 1701 N. Boulder Ave., Russellville, Arkansas 72801, USA
3. Department of Pharmaceutical Sciences, University of Illinois at Chicago, 900 S. Ashland Ave (M/C 870), Chicago, Illinois 60607, USA
4. Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Ohio State University, 500 W. 12th Ave., Columbus, Ohio 43210, USA
5. Department of Biochemistry and Molecular Biology and the Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912, USA
6. Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30904, USA
7. Mycosynthetix, Inc., Hillsborough, NC, 27278, USA