Received: 8 January 2021
Accepted: 24 June 2021
First Online: 8 July 2021
: This study was conducted in accordance with the Declaration of Helsinki. The study protocol was reviewed and approved by the Institutional Review Board of Faculty of Medical Sciences, Wuhan University (IRB number: 2019YF2050). In this research, we only included the medication procurement information and all the information was anonymous. Neither patients nor the public were involved in this research. Thus, according to the Institutional Review Board of Faculty of Medical Sciences, Wuhan University, the requirement for informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.