Affiliation: | 1. Department of Emergency Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia;2. Department of Internal Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia;3. Addis Ababa University, College of Health Sciences, Addis Ababa, Ethiopia;4. Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia |