Funding for this research was provided by:
Japan Society for the Promotion of Science (16H05431, 16H01574)
Boehringer Ingelheim Japan
Text and Data Mining valid from 2019-02-26
Received: 18 August 2018
Accepted: 18 February 2019
First Online: 26 February 2019
Ethics approval and consent to participate
: This study complied with the standards of the Declaration of Helsinki and the current ethical guidelines, and was approved by the Institutional Review Board (Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences and Okayama University Hospital, Ethical Committee) (permission number; K1609–042-001). A written informed consent was obtained from all patients before surgery.
: Not applicable.
: SToyooka was funded by Boehringer Ingelheim Japan Co. The remaining authors declare that they have no competing interests.
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