1. Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202-5122, USA.
2. Indiana University School of Medicine.
3. Washington University School of Medicine, St. Louis, MO 63110, USA
4. Indiana University School of Medicine
5. University of Iowa College of Medicine, Iowa City, IA 52242-1000, USA
6. University of Connecticut Health Center, Farmington, CT 06030-2103, USA
7. University of California, San Diego, San Diego, CA 92161-2002, USA
8. State University of New York Health Sciences Center, Brooklyn, NY 11203-2098, USA.