1. Clinical Research Department, Centre for Plant Medicine Research, Mampong-Akuapem, Ghana
2. Department of Pharmacology, Faculty of Pharmacy & Pharmaceutical Sciences, College of Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
3. Department of Pharmaceutics, Centre for Plant Medicine Research, Mampong-Akuapem, Ghana
4. Department of Production, Centre for Plant Medicine Research, Mampong-Akuapem, Ghana
5. Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Private Mail Bag, Volta Region, Ghana