Article History
Received: 4 November 2020
Accepted: 10 December 2020
First Online: 17 February 2021
Compliance with ethical standards
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: S.S. has received consulting fees, speaking fees, and/or honoraria from Asahi Kasei Pharma, Astellas, Amgen, Daiichi-Sankyo, Eli Lilly Japan, UCB Japan. BC is an employee at Syneos Health. Syneos Health received funding from Amgen K.K. to conduct the data collection, data analysis and manuscript development. KA is an employee of Amgen and owns Amgen stock. KU was an employee of Amgen at the time of the study.