Funding for this research was provided by:
Japan Agency for Medical Research and Development (JP17he1502007h0002)
Received: 11 June 2018
Accepted: 29 October 2018
First Online: 4 December 2018
Ethics approval and consent to participate
: The ethics committee of Tsuyama Jifukai Tsuyama Chuo Hospital provided the approval to conduct the research presented in this paper. Anonymized patient data was provided for this research. Patient consent regarding the use of anonymized data for research purposes were acquired by the hospital.
: Not applicable.
: The author received a salary as an employee of Allm Inc.
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