1. Department of Internal Medicine, Taipei Medical University Hospital, Taipei City 11030, Taiwan
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, Taipei Medical University Hospital, Taipei City 11030, Taiwan
3. School of Nursing, National Taipei University of Nursing and Health Sciences, Taipei City 11230, Taiwan
4. Department of Research, Taipei Medical University Hospital, Taipei City 11030, Taiwan