Received: 18 May 2020
Accepted: 11 October 2020
First Online: 29 October 2020
Ethics approval and consent to participate
: The Aga Khan University ethics review committee ruled that no formal ethics approval was required for this study and waivered the need for consent as no additional intervention was done and samples sent for routine testing were used for the study (Reference # 2019–1155-5751).
: Not applicable.
: The authors declare that they have no competing interests.