1. Institute of Health and Welfare Policy; National Yang-Ming University; Taipei Taiwan
2. NHI Committee; Executive Yuan; Taipei Taiwan
3. Department of Nursing; Kang-Ning Junior College of Medical Care and Management; Taipei Taiwan
4. Department of Urology; National Taiwan University Hospital; Taipei Taiwan
5. Department of Surgery; Cardinal-Tien Hospital; Yonghe Branch; New Taipei city Taiwan