Funding for this research was provided by:
department of education of guangdong province (2018180)
Received: 14 June 2021
Accepted: 12 November 2021
First Online: 25 November 2021
: This project of development COS is considered a service evaluation not directly influencing patient care or safety, and therefore, ethics approval was not required. Consent will be requested from all study participants. The final COS will be published and freely available.
: Not applicable.
: The authors declare that they have no competing interests.