1. Department of Preventive Medicine, Seonam University College of Medicine, Namwon, Korea.
2. Genomic Research Center of Hematopoietic Diseases, Chonnam National University Hospital, Gwangju, Korea.
3. Department of Preventive Medicine, Yanbian University Medical College, Yanbian, China.
4. Department of Preventive Medicine, Chungnam University College of Medicine, Daejeon, Korea.
5. Department of Neurology, Chonbuk National University Hospital, Jeonju, Korea.
6. Department of Preventive Medicine, Chonnam National University College of Medicine, Chonnam National University Research Center of Medical Sciences, Gwangju, Korea.