Funding for this research was provided by:
Saudi Health Council (Saudi Health Council)
Received: 1 June 2021
Accepted: 2 August 2021
First Online: 14 September 2021
: N/A. The findings, interpretations, and conclusions expressed in this work are those of the authors, and do not necessarily reflect the views of The Saudi Council or the World Bank, their Boards of Directors, or the governments they represent.
: The authors declare that they have no competing interests.