1. Department of Mammography; Central Hospital; Falun Sweden
2. School of Oral Hygiene; Taipei Medical University; Taipei Taiwan
3. Graduate Institute of Epidemiology and Preventive Medicine; College of Public Health; National Taiwan University; Taipei Taiwan
4. Department and Graduate Institute of Health Care Management; Chang Gung University; Taoyuan Taiwan
5. Department of Health Industry Management; College of Healthcare Management; Kainan University; Taoyuan Taiwan
6. American Cancer Society; Atlanta Georgia
7. Centre for Cancer Prevention; Wolfson Institute of Preventive Medicine; Queen Mary University of London; London UK