1. Roll Back Antimicrobial Resistance Initiative, Dodoma P.O. Box 2125, Tanzania
2. Faculty of Pharmaceutics, St. John’s University of Tanzania, Dodoma P.O. Box 47, Tanzania
3. Swiss Tropical and Public Health Institute, P.O. Box, CH-4123, Allschwil, Switzerland
4. University of Basel, P.O. Box, CH-4003 Basel, Switzerland