Ito, Hiroyuki http://orcid.org/0000-0002-0102-3955
Hiraiwa, Shin-ichiro
Sugiyama, Tomoko
Tajiri, Takuma
Yamaji, Yoko
Kaneko, Motoki
Tsuda, Shingo
Ichikawa, Hitoshi
Nagata, Junko
Kojima, Seiichiro
Takashimizu, Shinji
Shirai, Takayuki
Watanabe, Norihito
Article History
Received: 7 November 2018
Accepted: 13 December 2018
First Online: 2 January 2019
Compliance with ethical standards
:
: Hiroyuki Ito, Shin-ichiro Hiraiwa, Tomoko Sugiyama, Takuma Tajiri, Yoko Yamaji, Motoki Kaneko, Shingo Tsuda, Hitoshi Ichikawa, Junko Nagata, Seiichiro Kojima, Shinji Takashimizu, Takayuki Shirai, Norihito Watanabe declare that they have no conflict of interest.
: All procedures followed have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all patients for being included in the study.