Shibutani, Kazu https://orcid.org/0000-0001-5362-1386
Okada, Masahiro https://orcid.org/0000-0002-6896-8419
Tsukada, Jitsuro https://orcid.org/0000-0001-5951-504X
Ibukuro, Kenji https://orcid.org/0000-0002-1060-6650
Abe, Hayato https://orcid.org/0000-0002-7104-0507
Matsumoto, Naoki https://orcid.org/0000-0002-9982-6130
Midorikawa, Yutaka https://orcid.org/0000-0002-6662-0494
Moriyama, Mitsuhiko https://orcid.org/0000-0002-4617-508X
Takayama, Tadatoshi https://orcid.org/0000-0002-4683-4743
Article History
Received: 4 August 2020
Revised: 1 February 2021
Accepted: 11 February 2021
First Online: 8 March 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: The study was approved by the institutional review board of Nihon University School of Medicine Itabashi Hospital. All clinical investigations were conducted according to the principles of the Declaration of Helsinki.
: Each participant provided written informed consent before participation in the study.