Received: 8 January 2021
Accepted: 26 October 2021
First Online: 6 December 2021
: We analysed existing survey data in which all personal information was encrypted. The Ethics Committee approved this study of the ICF Macro (Fairfax, Virginia, USA) and the National Ethics Committees in individual countries. Respondents gave their informed consent, and all information was collected confidentially. All methods were carried out in accordance with relevant guidelines and regulations, and data were sourced from the link below.The data supporting this article are available at: ExternalRef removed
: Not applicable.
: We have no competing interests to declare.