1. Department of Preventive Medicine, Chonnam National University Medical School and Research Institute of Medical Sciences, Gwangju, Korea.
2. Vanderbilt Epidemiology Center, Institute of Medicine and Public Health, Vanderbilt University School of Medicine, Nashville, TN, USA.
3. Department of Preventive Medicine & Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Korea.
4. Department of Neurology, Chonbuk National University Medical School and Hospital, Jeonju, Korea.
5. Department of Preventive Medicine, Chungnam National University College of Medicine, Daejeon, Korea.
6. Department of Preventive Medicine, Seonam University College of Medicine, Namwon, Korea.
7. Department of Preventive Medicine, Chosun University Medical School, Gwangju, Korea.
8. Department of Food & Nutrition, Chosun University College of Natural Sciences, Gwangju, Korea.
9. Center for Creative Biomedical Scientists, Chonnam National University, Gwangju, Korea.