Endo, Akira
Shiraishi, Atsushi
Otomo, Yasuhiro
Tomita, Makoto
Matsui, Hiroki
Murata, Kiyoshi
Funding for this research was provided by:
Japan Society for the Promotion of Science (24592731)
Article History
Received: 20 December 2016
Accepted: 19 June 2017
First Online: 3 July 2017
Ethics approval and consent to participate
: The ethics committee of Tokyo Medical and Dental University approved this study (#2192). Informed consent for each patient was waived because of the anonymous nature of the data.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.