^*Addis Ababa University, College of Health Science, Black Lion Hospital, Addis Ababa, Ethiopia

^†Perelman School of Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, PA, USA

The authors declare that they have nothing to disclose.

Address Correspondence to: Rediet Shimeles Workneh, MD, Addis Ababa University, College of Health Science, Black Lion Hospital, P.O. Box 26880 code 1000, Addis Ababa, Ethiopia. E-mail: [email protected]