Sumikawa, Hiromitsu http://orcid.org/0000-0002-4521-5019
Johkoh, Takeshi
Iwasawa, Tae
Nakanishi, Katsuyuki
Tomiyama, Noriyuki
Article History
Received: 15 November 2018
Accepted: 16 December 2018
First Online: 1 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The ethical review board at our institution waived the requirement of patients’ approval or informed consent for the retrospective review of their records and images.