Received: 10 March 2018
Accepted: 23 August 2018
First Online: 5 September 2018
: MH was a resident of Shizuoka Family Medicine Residency and KN was assistant professor of the Department of Obstetrics, Gynecology and Family Medicine, Hamamatsu University School of Medicine when conducting the study.MH, MDKN, MD, MPHTG, MPharmIM, MD, MPH, PhD
: This study was approved by the Research Ethics Committee of Kikugawa Municipal General Hospital, Japan (approval number 94, 2013). The permission and approval to the study were obtained from the clinic where the study was conducted. Written informed consent was obtained from all participants prior to the study.
: Not applicabl
: The authors declare that they have no competing interests.
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