1. Department of Family Medicine, Taipei City Hospital , Yangming Branch, No. 105, Yusheng Street, Shilin District, Taipei City 111, Taiwan
2. Institute of Public Health, National Yang Ming Chiao Tung University , No. 155, Sec.2, Linong Street, Taipei City 112, Taiwan
3. Department of Health and Welfare, University of Taipei , No. 101, Section 2, Zhongcheng Rd, Shilin District, Taipei City 111, Taiwan
4. Department of Education and Research, Taipei City Hospital , No. 10, Section 4, Ren’ai Rd, Da’an District, Taipei City 106, Taiwan
5. Data Office, Superintendent Office , Taipei City Hospital, No. 145, Zhengzhou Rd, Datong District, Taipei City 103, Taiwan
6. Department of Surgery, College of Medicine, National Taiwan University , No. 7, Zhongshan S Rd, Zhongzheng District, Taipei City 100, Taiwan
7. Institute of Hospital and Health Care Administration, National Yang Ming Chiao Tung University , No. 155, Sec.2, Linong Street, Taipei City 112, Taiwan