Sakakibara, Naoki http://orcid.org/0000-0002-1889-9187
Komatsu, Hiroko
Takahashi, Mikako
Yamauchi, Hideko
Yamauchi, Teruo
Doorenbos, Ardith Z.
Funding for this research was provided by:
the National Institute of Nursing Research of the National Institutes of Health (K24NR015340)
Article History
Received: 6 November 2019
Accepted: 26 June 2020
First Online: 9 July 2020
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Boards of Keio University (No. 2012–10) and St. Luke’s International Hospital (No. 12-R066). Informed consent was obtained in written by all participants before participating in the study.
: Not applicable.
: The authors have no conflicts of interest to declare.