Doi, Toru http://orcid.org/0000-0001-8833-2437
Inoue, Hirokazu
Arai, Yasuhisa
Shirado, Osamu
Doi, Tokuhide
Yamazaki, Ken
Uno, Koki
Yanagida, Haruhisa
Takeshita, Katsushi
Article History
Received: 13 June 2017
Accepted: 23 March 2018
First Online: 3 April 2018
Ethics approval and consent to participate
: Written informed consent was obtained from all participants. The study protocol was approved by the institutional review board of the University of Tokyo Hospital (Approval no. 3126).
: Not applicable.
: The authors declare that they no competing interests.
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