Received: 20 January 2021
Accepted: 4 June 2021
First Online: 17 June 2021
Change Date: 5 August 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S12889-021-11524-Y
: The study was approved by the Ethics Committee of the Tongji Medical College Institutional Review Board, Huazhong University of Science and Technology, Wuhan, China. Informed consent was obtained from all survey participants. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: We declare that we have no conflict of interests.