1. Department of Medicine, School of Medicine, Makerere University College of Health Sciences, P.O. Box 7051, Kampala, Uganda
2. Neurological and Behavioral Outcomes Center, University Hospitals Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106, USA
3. Department of Medicine, St Raphael of St Francis Nsambya Hospital, Nkozi University, P.O. Box 7146, Kampala, Uganda
4. Department of Epidemiology and Biostatics, School of Public Health, Makerere University College of Health Sciences, P.O. Box 7072, Kampala, Uganda
5. University Hospitals Case Medical Center, Neurological Institute Case Western Reserve University, 11100 Euclid Avenue, Cleveland, OH 44106, USA