Yamada, Shin-ichi
Hasegawa, Takumi
Okuyama, Kohei
Yamakawa, Nobuhiro
Okura, Masaya
Hashidume, Masao
Yanamoto, Souichi
Akashi, Masaya
Kirita, Tadaaki
Umeda, Masahiro
Kurita, Hiroshi
Article History
Received: 26 June 2019
Accepted: 5 August 2019
First Online: 13 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the Ethics Committee of the Shinshu University School of Medicine (No. 3391).
: For this type of study, formal consent is not required.