1. Division of Endocrinology and Metabolism (Y.-L.C., C.-W.C., C.-Y.Y., K.-J.T.), Taiwan
2. Department of Internal Medicine, and Department of Medical Research (S.-F.W., J.-J.W.), Chi Mei Medical Center, Tainan 710, Taiwan
3. Department of Hospital and Health Care Administration (S.-F.W.), Taiwan
4. Department of Urology (Y.-C.S.), Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
5. The Center of General Education (K.-J.T.), Chia Nan University of Pharmacy and Science, Tainan 717, Taiwan