List of Study Group 2014-2015 ***2015*** 1. Hatanaka M, Miyamura T, Koh K, Taga T, Tawa A, Hasegawa D, et al. Respiratory syncytial virus infection in infants with acute leukemia: a retrospective survey of the Japanese Pediatric Leukemia/Lymphoma Study Group. Int. J. Hematol. 10.1007/s12185-015-1890-1 ***2014*** 2. Moritake H, Kamimura S, Nunoi H, Nakayama H, Suminoe A, Inada H, Inagaki J, Yanai F, Okamoto Y, Shinkoda Y, Shimomura M, Itonaga N, Hotta N, Hidaka Y, Ohara O, Yanagimachi M, Nakajima N, Okamura J, Kawano Y. Clinical characteristics and genetic analysis of childhood acute lymphoblastic leukemia with hemophagocytic lymphohistiocytosis: a Japanese retrospective study by the Kyushu–Yamaguchi Children’s Cancer Study Group. Int. J. Hematol. 100:70-78, 2014 3. Kato M, Manabe A, Koh K, Inukai T, Kiyokawa N, Fukushima T, Goto H, Hasegawa D, Ogawa C, Koike K, Ota S, Noguchi Y, Kikuchi A, Tsuchida M, Ohara A. Treatment outcomes of adolescent acute lymphoblastic leukemia treated on Tokyo Children’s Cancer Study Group (TCCSG) clinical trials. Int. J. Hematol. 100:180-187, 2014 4. Hirayama Y, Ishitani K, Ota S, Kurosawa M, Kondo T, Takimoto R, Mori A, Sakai H, Torimoto Y, Yamamoto S, Sato K, Iwasaki H, Kohda K, Ishida T, Kakinoki Y, Fukuhara T, Kato J. Long-term survey of survival time, histological transformation, and secondary malignancies in Japanese patients with advanced-stage follicular lymphoma in the rituximab era: Hokkaido Hematology Study Group. Int. J. Hematol. 100:281-289, 2014