1Section of Endocrinology and Metabolism, Department of Veterans Affairs Medical Center, and the Departments of Medicine and Biochemistry, Indiana University School of Medicine, Indianapolis, IN 46202
2Walther Oncology Center, Indiana University School of Medicine, Indianapolis, IN 46202
3Lilly Research Laboratories, Indianapolis, IN 46285
4DNAX Research Institute for Cellular and Molecular Biology, Palo Alto, CA 94304
5Department of Pathology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78284