[1] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Div Hematol & Oncol, Seoul, South Korea
[2] Seoul Natl Univ, Dept Internal Med, Coll Med, Seoul Natl Unvers,Bundang Hosp, Soengnam, South Korea
[3] Chungbuk Natl Univ Hosp, Cheongju, South Korea
[4] Yonsei Canc Ctr, Seoul, South Korea
[5] Ulsan Univ Hosp, Dept Med, Ulsan, South Korea
[6] Gangnam Severance Hosp, Seoul, South Korea
[7] Natl Canc Ctr, Goyang, South Korea
[8] VHS Med Ctr, Seoul, South Korea
[9] Seoul Natl Univ, Dept Internal Med, Boramae Med Ctr, Seoul, South Korea
[10] Univ Ulsan, Coll Med, Dept Oncol, Asan Med Ctr, Seoul, South Korea
[11] Seoul St Marys Hosp, Seoul, South Korea
[12] Gachon Univ, Gil Med Ctr, Dept Internal Med, Div Hematol & Oncol, Inchon, South Korea
[13] Seoul Natl Univ Hosp, Dept Clin Pharmacol, Seoul 110744, South Korea
[14] Hanmi Pharmaceut Co Ltd, Seoul, South Korea
[15] Seoul Natl Univ Hosp, Seoul 110744, South Korea