Funding for this research was provided by:
JW LEE Center for Global Medicine
Received: 3 August 2020
Accepted: 13 January 2021
First Online: 1 February 2021
Ethics approval and consent to participate
: The study received ethical approval from the Addis Ababa University, College of Health Sciences Institutional Review Board (052/18/pedi) and the Seoul National University Hospital Institutional Review Board (1806–008-948). We obtained both written and verbal consent from the participants.
: Not Applicable.
: The authors declare that they have no competing interests.