Text and Data Mining valid from 2020-03-03
Received: 6 February 2020
Accepted: 6 February 2020
First Online: 3 March 2020
Compliance with ethical standards
: K. Suzuki received honoraria from Celgene, Takeda, ONO, Amgen, Novartis, Sanofi, Bristol-Myers Squibb, AbbVie and Janssen, and consulted for Amgen, Janssen, Takeda, and Celgene; received research funding from Bristol-Myers Squibb, Celgene and Amgen.