1. Department of Food Service and Management, Faculty of Food Science and Technology, University Putra Malaysia, 43400 Serdang, Selangor Darul Ehsan, Malaysia
2. Department of Microbiology, Gombe State University, P.M.B. 127, Gombe State, Nigeria
3. Department of Microbiology, Bayero University Kano, P.M.B. 3011, Kano State, Nigeria
4. College of Health Sciences, Maryam Abacha American University of Niger, Roy Mohd VI, Du Maroc, Maradi, Republic Du Niger
5. Faculty of Chemical Engineering and Natural Resources, University Malaysia Pahang, 26300 Gambang, Pahang, Malaysia