Takahashi, Yoshiki http://orcid.org/0000-0001-5898-133X
Takahira, Naonobu http://orcid.org/0000-0002-4421-0582
Uchiyama, Katsufumi http://orcid.org/0000-0003-0475-7759
Fukushima, Kensuke http://orcid.org/0000-0001-8599-0872
Moriya, Mitsutoshi
Shibuya, Manaka
Tsuda, Kouji
Tozaki, Kiyoshi
Kudo, Sho
Kaneda, Hiroaki http://orcid.org/0000-0002-4657-2958
Sekita, Junya
Takaso, Masashi
Article History
Received: 1 April 2020
Accepted: 1 September 2020
First Online: 28 September 2020
Ethics approval and consent to participate
: The retrospective study was approved by Ethics Committee of Kitasato University Hospital (permit number: B18–064) and was performed in accordance with the Declaration of Helsinki. An opt-out form for informed consent was adopted.
: Not applicable.
: The authors declare that they have no competing interests.