1. Sa'adatu Rimi College of Education,Department of Biology,,Kumbotso,Nigeria,
2. Nigerian Institute For Trypanosomiasis And Onchocerciasis Research Kano State Liaison Office,Nigeria,
3. University of Coahuila,Food Research Department,Coahuila,Mexico,
4. Patanjali Research Institute,Patanjali Herbal Research Department,Haridwar,India,