1. Communicable Diseases Research Unit, Applied Biology Research Laboratory, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, 01 P.O Box 2009 Cotonou, Benin; Department of Food Science, Faculty of Veterinary Medicine, FARAH-Veterinary Public Health, University of Liege, Quartier Vallée 2, 10 Avenue of Cureghem, Sart-Tilman, B-4000 Liege, Belgium.
2. Communicable Diseases Research Unit, Applied Biology Research Laboratory, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, 01 P.O Box 2009 Cotonou, Benin.
3. Department of Food Science, Faculty of Veterinary Medicine, FARAH-Veterinary Public Health, University of Liege, Quartier Vallée 2, 10 Avenue of Cureghem, Sart-Tilman, B-4000 Liege, Belgium.
4. School of Nutrition, Food Sciences, and Technology, Faculty of Agronomic Sciences, University of Abomey-Calavi, 03 P.O Box 2819, Cotonou, Benin.