Funding for this research was provided by:
Sanming Project of Medicine in Shenzhen (201811071)
Article History
Received: 24 April 2020
Accepted: 3 July 2020
First Online: 10 July 2020
Ethics approval and consent to participate
: Ethics approval was not obtained as this is a commentary.
: Consent was not obtained as no participant and collection of data and materials was involved.
: There are no competing interests to declare.