1. Food and Agriculture Department, Ghana Standards Authority, P.o.box Mb 245, Accra, Ghana
2. Ghana Atomic Energy Commission, Radiological and Medical Sciences Research Institute, P.O.BOX LG 80, Legon, Accra, Ghana
3. Chemistry Department, University of Ghana, P.O.BOX LG 56, Legon, Accra, Ghana
4. Mycotoxins and Histamine Laboratory, Ghana Standards Authority, P.o.box Mb 245, Accra, Ghana