1. Institute of Preventive Medicine; College of Public Health; National Taiwan University; Taipei Taiwan
2. Department of Internal Medicine; National Taiwan University Hospital; Taipei Taiwan
3. Department of Medicine; College of Medicine; National Taiwan University; Taipei Taiwan
4. Department of Internal Medicine; National Taiwan University Hospital HsinChu Branch; HsinChu Taiwan
5. Department of Family Medicine; Cathay General Hospital; Taipei Taiwan
6. Cardiovascular Center; National Taiwan University Hospital Yun-Lin Branch; Dou-Liou Taiwan