[1] Chonnam Natl Univ, Hwasun Hosp, Dept Hematol Oncol, Sch Med, Hwasun, South Korea
[2] Kyungpook Natl Univ, Dept Hematol Oncol, Sch Med, Kyungpook Natl Univ Hosp, Daegu, South Korea
[3] Chonnam Natl Univ, Hwasun Hosp, Hwasun, South Korea
[4] Seoul St Marys Hosp, Seoul, South Korea
[5] Seoul Natl Univ, Bundang Hosp, Seoul, South Korea
[6] Ulsan Univ Hosp, Ulsan, South Korea
[7] Seoul Natl Univ, Coll Med, Seoul, South Korea
[8] Inje Univ, Coll Med, Haeundae Paik Hosp, Busan, South Korea
[9] Keimyung Univ, Dept Hematooncol, Dongsan Med Ctr, Daegu, South Korea
[10] Sungkyunkwan Univ, Samsung Med Ctr, Seoul, South Korea
[11] Gachon Univ, Gil Med Ctr, Seongnam, South Korea
[12] Daegu Catholic Univ Hosp, Daegu, South Korea
[13] Chung Ang Univ Hosp, Seoul, South Korea
[14] Natl Canc Ctr, Goyang, South Korea
[15] Natl Canc Ctr Korea, Dept Internal Med, Goyang, South Korea