Affiliation: | 1. Department of Internal Medicine, Hualien Armed Forces General Hospital, Hualien, Taipei, Taiwan, R.O.C.;2. Department of Internal Medicine, Taichung Armed Forces General Hospital, Taichung, Taipei, Taiwan, R.O.C.;3. Division of Endocrinology and Metabolism, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, R.O.C. |