Article History
Accepted: 15 December 2020
First Online: 2 December 2021
Declarations
:
: Author DS, Author MA and Author KT declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000 (5). Informed consent was obtained from all patients for being included in the study.
: This research was approved by the research ethics committee of the University of Tsukuba, Japan.
Free to read: This content has been made available to all.