Chemaitelly, Hiam
Weiss, Helen A.
Abu-Raddad, Laith J.
Funding for this research was provided by:
Qatar National Research Fund (9-040-3-008)
UK Medical Research Council and the UK Department for International Development (the MRC/DFID Concordat agreement (K012126/1))
Article History
Received: 24 June 2020
Accepted: 23 October 2020
First Online: 9 November 2020
Competing interests
: The authors declare no competing interests.