Affiliation: | 1. Chonnam National University Hospital, South Korea;2. Busan Hanseo Hospital, South Korea;3. Kyungpook National University Hospital, South Korea;4. Yeungnam University Hospital, South Korea;5. Keimyung University Hospital, South Korea;6. Chungnam National University Hospital, South Korea;7. Pusan National University Hospital, South Korea;8. Yonsei University Hospital, South Korea;9. Chungbuk National University Hospital, South Korea;10. Kyunghee University Hospital, South Korea;11. Catholic University Hospital, South Korea;12. Korea University Hospital, South Korea;13. Konyang University Hospital, South Korea;14. Asan Medical Center, South Korea |