Funding for this research was provided by:
Text and Data Mining valid from 2018-12-01
Received: 21 May 2018
Accepted: 16 November 2018
First Online: 5 December 2018
Ethics approval and consent to participate
: Although this survey was an anonymous internet survey, we obtained informed consent for the study as an online response. The disclosure of this study was approved by the Ethics Committee of Tohoku University Graduate School of Medicine (approval number: 2015–1-405).
: Not applicable.
: The authors disclose the following: Masanori Kosako is an employee of Astellas Pharma, Inc.; Hiraku Akiho is a former employee of Astellas Pharma, Inc.; Hiroto Miwa and Shin Fukudo are recipients of research grants from Astellas Pharma, Inc. unrelated to this study; and Motoyori Kanazawa has no conflicts of interest.
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