1. Division of Epidemiology, Human Genetics and EnvFemental Sciences, the University of Texas Health Sciences Center- Houston, South Korea
2. Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, South Korea
3. Department of Preventive Medicine, School of Medicine, Kyungpook National University, Daegu, South Korea
4. Division of Public Health Sciences, Wake Forest School of Medicine, Winston-Salem, NC
5. Department of Medicine, College of Physicians and Surgeons, Department of Medicine, College of Physicians and Surgeons, and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY
6. Department of Cardiology, John Hopkins University