Nishiyama, Akira
Article History
Received: 23 May 2018
Revised: 27 July 2018
Accepted: 27 July 2018
First Online: 6 December 2018
Compliance with ethical standards
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: AN received honoraria from Boehringer Ingelheim, Daiichi-Sankyo, Mochida, and Taisho-Toyama, as well as research grants from Boehringer Ingelheim, Daiichi-Sankyo, Pfizer, and Taisho-Toyama.