Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, 100 Tzyou 1st Rd, Kaohsiung, 807, Taiwan. Department of Otolaryngology-Head and Neck Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan. School of Medicine, College of Medicine, Kaohsiung Medical University, 100 Tzyou 1st Rd, Kaohsiung, 807, Taiwan. Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, 100 Tzyou 1st Rd, Kaohsiung, 807, Taiwan. pjhsiao101@gmail.com. School of Medicine, College of Medicine, Kaohsiung Medical University, 100 Tzyou 1st Rd, Kaohsiung, 807, Taiwan. pjhsiao101@gmail.com.