1. Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine; Kaohsiung Chang Gung Memorial Hospital; Chang-Gung University College of Medicine; Kaohsiung; Taiwan
2. Graduate Institute of Clinical Medical Sciences and Center for Menopause and Reproductive Research; Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine; Kaohsiung; Taiwan