Ishikawa, Tomoki
Nakao, Yuji
Fujiwara, Kensuke
Suzuki, Teppei
Tsuji, Shintaro
Ogasawara, Katsuhiko
Article History
Received: 10 August 2017
Accepted: 27 August 2019
First Online: 9 September 2019
Ethics approval and consent to participate
: Not applicable. This secondary analysis of data collected was conducted in accordance within the ethical tenants of the declaration of Helsinki. All data used in this study was collected from database publicly available in public surveys.
: Not applicable.
: The authors declare that they have no competing interests.