1. Tanzania Food and Drugs Authority (TFDA), Nelson Mandela Road, EPI ‒ Mabibo External, P.O. Box 77150 Dar es Salaam, Tanzania
2. University of Würzburg, Institute of Pharmacy and Food Chemistry, Am Hubland, 97074 Würzburg, Germany
3. School of Pharmacy, Muhimbili University of Health and Allied Sciences, Upanga West, P.O. Box 65545/11103 Dar es Salaam, Tanzania