1. Department of Preventive Medicine, Dong-A University College of Medicine, Busan, Korea.
2. Regional Cardiocerebrovascular Disease Center, Dong-A University Hospital, Busan, Korea.
3. Korea Centers for Disease Control & Prevention, Cheongwon, Korea.
4. Department of Preventive Medicine, Kangwon National University Hospital, Regional Cardiocerebrovascular Disease Center, Chuncheon, Korea.
5. Department of Preventive Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
6. Regional Cardiocerebrovascular Disease Center, Kyungpook National University Hospital, Daegu, Korea.
7. Department of Health Policy and Management, Jeju National University School of Medicine, Jeju, Korea.
8. Department of Preventive Medicine, Jeju National University School of Medicine, Jeju, Korea.
9. Department of Preventive Medicine, Gyeongsang National University School of Medicine and Institute of Health Sciences, Jinju, Korea.
10. Regional Cardiocerebrovascular Disease Center, Gyeongsang National University Hospital, Jinju, Korea.
11. Department of Biomedical Science, Chonnam National University Medical School, Gwangju, Korea.
12. Department of Preventive Medicine, Chungbuk National University College of Medicine, Cheongju, Korea.
13. Department of Preventive Medicine, Wonkwang University College of Medicine, Regional Cardiocerebrovascular Disease Center, Wonkwang University Hospital, Iksan, Korea.
14. Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Korea.
15. Regional Cardiocerebrovascular Disease Center, Chungnam National University Hospital, Daejeon, Korea.