[1] Asan Med Ctr, Seoul, South Korea
[2] Catholic Univ Korea, Seoul, South Korea
[3] Catholic Univ, Coll Med, Seoul St Marys Hosp, Seoul, South Korea
[4] Catholic Univ Korea, Uijeongbu St Marys Hosp, Gyeonggi Do, South Korea
[5] Catholic Univ Korea, Seoul, South Korea
[6] Catholic Univ Korea, St Pauls Hosp, Seoul, South Korea
[7] Catholic Univ Korea, Incheon St Marys Hosp, Inchon, South Korea
[8] Catholic Univ Korea, Bucheon St Marys Hosp, Bucheon, South Korea
[9] Catholic Univ Korea, Uijeongbu St Marys Hosp, Uijongbu, South Korea
[10] Catholic Univ Korea, Seoul St Marys Hosp, Seoul, South Korea