1. Institute of Continuing Medical Education of Ioannina, 45333 Ioannina, Greece
2. Working Group on Zoonoses, International Society of Chemotherapy, UK
3. Tropical and Parasitological Diseases Unit, Department of Human Pathology, University of Messina, 98122, Messina, Italy
4. Department of Preventive and Social Medicine, Luis Razetti Medical School, Faculty of Medicine, Universidad Central de Venezuela, Caracas 1050, Venezuela
5. Infection and Immunity Research Group, Faculty of Health Sciences, Universidad Tecnológica de Pereira, 660001 Pereira, Risaralda, Colombia