1. Department of Herbal Medicine, Upper West Regional Hospital, Ghana Health Service, Wa, Ghana
2. Institute of Traditional and Alternative Medicine, University of Health and Allied Sciences, Ho, Ghana
3. Department of Herbal Medicine, Faculty of Pharmacy of Pharmaceutical Sciences, College of Health Sciences, Kwame Nkrumah of University and Technology, Kumasi, Ghana
4. Department of Medicine, Upper West Regional Hospital, Ghana Health Service, Wa, Ghana
5. Centre for Plant Medicine Research, Mampong-Akuapem, Ghana
6. Department of Biochemistry, Cell and Molecular Biology, University of Ghana, Legon, Ghana
7. Department of Pharmacognosy, Faculty of Pharmacy of Pharmaceutical Sciences, College of Health Sciences, Kwame Nkrumah of University and Technology, Kumasi, Ghana