1. Department of Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania.
2. General Clinical Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania.
3. Department of Obstetrics, Gynecology, and Reproductive Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania.
4. Diabetes Center, Tallahassee Memorial Healthcare, Tallahassee, Florida.
5. Department of Pediatrics, Florida State University, Tallahassee, Florida.
6. Department of Physiology, Temple University School of Medicine, Philadelphia, Pennsylvania.