Chief, Hepatic Pathogenesis Section, Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, USA
Infectious Diseases Service, ULS Matosinhos EPE – Hospital Pedro Hispano,
University of Oporto, Oporto Medical School, Portugal
Lecturer, Institute of Microbiology, University of veterinary and animal sciences Lahore, Pakistan
Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Italy
Professor, Department of Zoology, University of Gour Banga,
India