Affiliation: | 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;6. Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Gyeonggi-do, Korea Correspondence to: Sook-Hyang Jeong, MD, Department of Internal Medicine, Seoul National University Bundang Hospital, 82 Gumiro 173, Bundang-gu, Gyeonggi-do 463-707, Korea. E-mail: jsh@snubh.org |