1. Department of Pharmacy PracticeTexas Tech University Health Sciences Center, School of PharmacyAustin Texas USA
2. Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical CenterDallas Texas USA
3. Department of MedicineUT Southwestern Medical CenterDallas Texas USA
4. Department of MedicineUniversity of Cape Town, ObservatoryCape Town South Africa