Kanazawa, Kohko http://orcid.org/0000-0003-0485-3257
Iwai-Takano, Masumi
Kimura, Satoru
Ohira, Tetsuya
Article History
Received: 12 September 2019
Accepted: 11 November 2019
First Online: 2 December 2019
Compliance with ethical standards
:
: Kohko Kanazawa, Masumi Iwai-Takano, Satoru Kimura, and Tetsuya Ohira declare that they have no conflicts of interest.
: This study was approved by the institutional review board of Ohta Nishinouchi Hospital, and it employed an opt-out consent approach. The study complied with the principles of the Declaration of Helsinki.