Text and Data Mining valid from 2018-11-20
Received: 31 July 2018
Accepted: 8 November 2018
First Online: 20 November 2018
Ethics approval and consent to participate
: This study was conducted in compliance with the Declaration of Helsinki (2013) and the Ethical guidelines for medical and health research involving human subjects (2014). Written informed consent was obtained from the participants. The study protocol was reviewed and approved by the institutional ethical review board at Seinshin-kai Medical Association Inc., Takara Clinic (reference number: 1604–1601-LT02–04-TC).
: Not applicable.
: RK, HH, KY, and KO are employed at LOTTE Co., Ltd. (Tokyo, Japan), and YY and KH (Keiko Hisa) are employed at Nitto Pharmaceutical Industries, Ltd. (Kyoto, Japan). MU and KH have no conflicts to declare.
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