Kobayashi, Daiki http://orcid.org/0000-0002-3641-2088
Shimbo, Takuro
Noto, Hiroshi
Eto, Hikaru
Takahashi, Osamu
Higuchi, Takakazu
Article History
Received: 27 March 2019
Accepted: 7 May 2019
First Online: 20 May 2019
Compliance with ethical standards
: This study was approved by the Ethical Committee Institutional Review Board at St Luke’s International Hospital (17-R022: comprehensive approval).
: The authors declare that they have no conflict of interest.