Nozawa, Shuhei
Urushihata, Kazuhisa
Machida, Ryosuke
Hanaoka, Masayuki
Article History
Received: 23 June 2021
Accepted: 5 September 2021
First Online: 14 September 2021
Declarations
:
: For this study, we did not receive financial support from any organization.
: This study was conducted in accordance with the ethical principles described in the Declaration of Helsinki, the Japanese Ethical Guideline for Epidemiologic Research and all other applicable laws and regulations.
: The study was approved by the research ethics committee of Shinshu University School of Medicine (Permission number: 5008). The study protocols were performed in accordance with the principles outlined in the Declaration of Helsinki of the World Medical Association.