Document is current

Article History

Received: 28 December 2018

Accepted: 25 March 2019

First Online: 1 April 2019

Compliance with ethical standards

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: Kazutaka Sunami received research funding from Ono Pharmaceutical, MSD, Celgene, Abbvie, Takeda pharmaceutical, Sanofi, Bristol-Myers Squibb, Daiichi Sankyo, Janssen, Novartis, Alexion Pharma and GlaxoSmithKline, and received honoraria from Ono Pharmaceutical, Celgene, Takeda Pharmaceutical, and Bristol-Myers Squibb. Morio Matsumoto received honoraria from Janssen, Celgene and Ono Pharmaceutical. Shin-ichi Fuchida received honoraria from Takeda Pharmaceutical. Hiroyuki Takamatsu received honoraria from Janssen and Celgene. Toru Kiguchi received research funding from Daiichi Sankyo, Bristol-Myers Squibb, Otsuka Pharmaceutical, Kyowa Hakko Kirin, MSD, Astellas, Nippon Shinyaku, Novartis, Sumitomo Dainippon, Janssen, Celgene, Symbio Pharmaceutical, Taiho Pharmaceutical, Teijin, Sanofi and Celltrion. Toshihiro Miyamoto received honoraria from Celgene and MSD. Junji Suzumiya received honoraria from Eisai, Celgene, Janssen, Chugai Pharmaceutical, Abbvie and Takeda Pharmaceutical, and research funding from Chugai Pharmaceutical, Eisai, Takeda Pharmaceutical, Kyowa Hakko Kirin, Astellas, Toyama Chemical, Celgene, Celltrion and Symbio Pharmaceutical. Yasushi Takamatsu received honoraria from Ono Pharmaceutical, Kyowa Hakko Kirin and Janssen, and received from research funding from Takeda Pharmaceutical, Ono Pharmaceutical and Celgene. Koichi Akashi received honoraria from Takeda Pharmaceutical, Bristol-Myers Squibb, Novartis, Kyowa Hakko Kirin, Janssen, Pfizer, Chugai Pharmaceutical, Ono Pharmaceutical, Eisai, Astellas and Celgene, and received research funding from Taiho Pharmaceutical, Sanofi, Novartis, MSD, Astellas, Bristol-Myers Squibb, Eli Lilly, Kyowa Hakko Kirin, Chugai Pharmaceutical, Asahi Kasei, Eisai, Otsuka Pharmaceutical, Ono Pharmaceutical, Teijin, Nippon Shinyaku, Shionogi, Mitsubishi Tanabe, Sumitomo Dainippon, Toyama Chemical, Daiichi Sankyo, Takeda Pharmaceutical, Yakult, Taisho Toyama Pharmaceutical, The Chemo-Sero-Therapeutic Research Institute, Alexion Pharma and Merck Serono. The other authors have no conflict of interests to declare.