Niihata, Kakuya
Nishiwaki, Hiroki
Kurita, Noriaki http://orcid.org/0000-0003-4127-7500
Okada, Hirokazu
Maruyama, Shoichi
Narita, Ichiei
Shibagaki, Yugo
Nakaya, Izaya
Article History
Received: 15 February 2019
Accepted: 24 July 2019
First Online: 5 August 2019
Compliance and ethical standards
:
: Honoraria: Hirokazu Okada (Kyowa Hakko Kirin, Daiichi Sankyo Inc., and Mitsubishi Tanabe Parma), Shoichi Maruyama (Kyowa Hakko Kirin Co., Ltd, Chugai pharmaceutical Co., Ltd., and Sumitomo Dainippon Pharma Co., Ltd.), and Yugo Shibagaki (Astellas Pharma, Teijin Pharma, Chugai Pharmaceuticals, Otsuka Pharmaceutical, Dainihon Sumitomo Pharmaceutical, and Daiichi-Sankyo). Research funding: Shoichi Maruyama (Sanwa Kagaku Kenkyusho Co., Ltd. and Rohto Pharmaceutical Co., Ltd.). Subsidies or Donations: Hirokazu Okada (Takeda Pharm., Chugai Pharm., Torii Pharm., Kyowa-Hakko Kirin, Pfizer, Boehringer Ingelheim, Astellas Pharm., Otsuka Pharm., MSD, Shionogi, Novartis, Sumitomo Dainippon Pharm., Mitsubishi Tanabe Pharm., and Daiichi Sankyo Co.), Yugo Shibagaki (Kyowa-Hakko Kirin, Sanwa Chemicals, Baxter, Takeda Pharmaceutical, Teijin Pharma, Tanabe Mitsubishi Pharma, and Pfizer), and Shoichi Maruyama (Asahi Kasei Pharma Co., Astellas Pharma Inc, Alexion Pharma Co., Otsuka Pharma Co., Kyowa Hakko Kirin Co., Daiichi Sankyo Co. Ltd., Sumitomo Dainippon Pharma Co. Ltd., Mitsubishi Tanabe Pharma Co., Chugai pharmac Co. Ltd., Teijin Pharma Ltd., Torii Pharmaceutical Co, Ltd., Baxter Ltd., Pfizer Japan Inc., Bristol-Myers Squibb., MSD K.K., and Mochida Pharma Co. Ltd.).
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee at which the studies were conducted, and were approved by the Research Ethics Committee of Iwate Prefectural Central Hospital (approval number 1941) and conform to the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Participant consent was waived, as responses to the questionnaire were retrieved anonymously and no individual information of participants was retrieved.