Received: 6 December 2020
Accepted: 1 March 2021
First Online: 23 April 2021
: This study was approved by the committee on Human Experimentation of China Medical University (No. cmu2015079). Informed consents were obtained from all participants prior to questionnaire administration. We declare that the questionnaire survey was performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: No potential conflict of interest was reported by the authors.