Shinkawa, Hiroji
Tanaka, Shogo
Takemura, Shigekazu
Amano, Ryosuke
Kimura, Kenjiro
Nishioka, Takayoshi
Miyazaki, Toru
Kubo, Shoji
Funding for this research was provided by:
the Health, Labour and Welfare Policy Research Grants from the Ministry of Health, Labour, and Welfare of Japan (H30-Kansei-Shitei-003)
Article History
Accepted: 1 July 2020
First Online: 10 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The present study was conducted as per the guidelines of our institution’s ethics committee (No.3815) and the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.