1 Laboratory of Genetic and Molecular Pathology, Faculty of Medicine & Pharmacy Casablanca, University Hassan II of Casablanca, Casablanca, Morocco.
2 Laboratory of Virology, Microbiology, Quality, Biotechnologies/Ecotoxicology and Biodiversity, Faculty of Sciences & Technologies Mohammedia, University Hassan II of Casablanca, Casablanca, Morocco.
3 Service of Digestive Cancers Surgery and Liver Transplant, Department of Surgery, Ibn Rochd University Hospital Center, Faculty of Medicine & Pharmacy Casablanca, University Hassan II of Casablanca, Casablanca, Morocco.
4 Laboratory of Virology, Microbiology, Quality, Biotechnologies/Ecotoxicology and Biodiversity, Faculty of Sciences & Technologies Mohammedia, University Hassan II of Casablanca, Casablanca, Morocco. m.ennaji@yahoo.fr.