Zhang, Shuang
Liu, Chang
Zhang, Chenzheng
Jiang, Han
Tai, Baojun
Du, Minquan
Article History
Received: 16 January 2021
Accepted: 22 March 2021
First Online: 26 March 2021
Declaration
:
: The online questionnaire survey obtained approval from the Ethics Committee of School and Hospital of Stomatology, Wuhan University and all methods were performed in accordance with the Declaration of Helsinki and relevant guidelines and regulations.
: Informed consent for publication was obtained from the participants who provided his/her answers to the questionnaire and article.
: The authors declare that they have no competing interests.