1. Institute of Epidemiology and Preventive Medicine; College of Public Health, National Taiwan University; Taipei
2. Department of Internal Medicine; National Taiwan University Hospital; Taipei
3. Department of Medicine; College of Medicine, National Taiwan University; Taipei
4. Department of Internal Medicine; National Taiwan University Hospital Yun-Lin Branch; Dou-Liou City Yun-Lin County Taiwan
5. Institute for Cardiovascular and Metabolic Disease; University of North Texas Health Science Center; Fort Worth TX USA