1. Department of Internal Medicine; Seoul National University Bundang Hospital; Seongnam Gyeonggi-do Korea
2. GeneMatrix, Inc.; Seongnam Gyeonggi-do Korea
3. Department of Internal Medicine; Bundang Jesaeng General Hospital; Seongnam Gyeonggi-do Korea
4. Department of Internal Medicine; Bundang CHA Hospital; Seongnam Gyeonggi-do Korea
5. Department of Internal Medicine; Seongnam Central Hospital; Seongnam Gyeonggi-do Korea