Nakanishi, Toshiyuki
Sakamoto, Seishi
Yoshimura, Manabu
Toriumi, Takashi
Article History
Received: 23 February 2021
Accepted: 17 June 2021
First Online: 28 June 2021
Declarations
:
: The study protocol was approved by the Tokuyama Central Hospital Institutional Review Board (reference number, K243–20160511). After explaining the study protocol to the participants, we obtained written informed consent for study participation from all the participants. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.