Funding for this research was provided by:
China Pharmaceutical University (CPU2018GY39)
Received: 18 March 2020
Accepted: 17 June 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: This is to declare that ethical approval was obtained from the Ethics Committee of the China Pharmaceutical University (Project number: CPU2018016). In the Participant Information Sheet attached to the beginning of the questionnaire, participants were informed that the data they provided would be used in the publication anonymously; they were also reminded about their right to withdraw from the study at any time; and their consent to participate was assumed when participants completed and submitted the questionnaire online. Nevertheless, this manuscript does not contain any personal information which can be used to identify the participants.
: None declared.