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Article History

Received: 29 April 2017

Revised: 28 September 2017

Accepted: 9 October 2017

First Online: 30 November 2017

Change Date: 9 January 2018

Change Type: Update

Change Details: This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication

Competing interests

: AH received lecture fees from Chugai, Astra Zeneca, Boeringer Ingelheim, and Eli Lilly. NK received grants from Astra Zeneca, Eisai, Ono, Kyowa Kirin, Shionogi, Daiichi-Sankyo, Taiho, Chugai, Eli Lilly, Boeringer Ingelheim, and Merck Serono, and payment for lectures from Dainippon Sumitomo, Chugai, Boeringer Ingelheim, Astra Zeneca, Eli Lilly, Taiho, Janssen, Novartis, Pfizer, Ono, and Daiichi-Sankyo. All other authors declare no conflict of interest.