title: Erratum to: Metformin improved health-related quality of life in ethnic Chinese women with polycystic ovary syndrome.
authors.affiliation: Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 7010, Taiwan. huangtz@mail.ncku.edu.tw.
authors.forename: Huang-Tz
authors.initials: HT
authors.lastname: Ou
authors.affiliation: Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 7010, Taiwan.
authors.forename: Pei-Chi
authors.initials: PC
authors.lastname: Chen
authors.affiliation: Department of Obstetrics and Gynecology, College of Medicine, National Cheng Kung University and Hospital, Tainan, Taiwan.
authors.forename: Meng-Hsing
authors.initials: MH
authors.lastname: Wu
authors.affiliation: Department of Rehabilitation Sciences, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.
authors.forename: Chung-Ying
authors.initials: CY
authors.lastname: Lin