Funding for this research was provided by:
Nutrition and Food Security Research Center
Received: 23 May 2020
Accepted: 7 April 2021
First Online: 20 April 2021
: We will follow the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) for reporting the present systematic review and meta-analysis. The protocol is undergoing registration in the International Prospective Register of Systematic Reviews (PROSPERO) database.
: No individual detail is presented in this protocol; therefore, it is not applicable.
: The authors declare that they have no competing interests.