1. Department of Medicine, Moi Teaching and Referral Hospital, Eldoret, Kenya
2. Institute of Biomedical Informatics, College of Health Sciences, Moi University, Eldoret, Kenya
3. Department of Medicine, College of Health Sciences, Moi University, Eldoret, Kenya
4. Academic Model Providing Access to Healthcare, Eldoret, Kenya
5. Vanderbilt University Medical Center, 2525 West End Avenue, Suite 750, Nashville, Tennessee 37203, US