Miyazaki, Kunihiro http://orcid.org/0000-0001-7800-8019
Uchiba, Takayuki
Tanaka, Kenji
Sasahara, Kazutoshi
Article History
Received: 29 January 2022
Accepted: 21 June 2022
First Online: 5 July 2022
Competing interests
: The authors declare no competing interests.
: This study does not need ethical approval statements. This paper deals with as little personal information as possible. The example data illustrated in the results and supplementary materials include only prominent Twitter accounts or accounts that Twitter has officially verified.
: This study does not need informed consent statements. We have neither attempted to reveal the personal identifiable information of social media users nor combined multiple sources to disclose some private information that is not publicly available on our target platform, Twitter.