[1
]Department of Clinical Pharmacology, College of Health Sciences, University of Zimbabwe,
Harare, Zimbabwe.
[2
]Chemotherapy and Radiotherapy Center, Parirenyatwa Group of Hospitals, Harare, Zimbabwe.
[3
]Pharmacogenetics and Drug Metabolism Research Group, Division of Human Genetics, Department
of Pathology, Faculty of Health Sciences, Institute of Infectious Diseases and Molecular
Medicine, University of Cape Town, Cape Town, South Africa.
[4
]Department of Obstetrics and Gynecology, College of Health Sciences, University of
Zimbabwe, Harare, Zimbabwe.