1. Department of Neurosciences, Istituto Superiore di Sanità, 00161 Rome, Italy
2. Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy
3. Clinical Microbiology Unit, Department of Health Sciences, “Magna Grecia” University, 88100 Catanzaro, Italy
4. Center for Immunobiologicals Research and Evaluation, Istituto Superiore di Sanità, 00161 Rome, Italy
5. Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, 00161 Rome, Italy
6. Department of Environment and Health, Istituto Superiore di Sanità, 00161 Rome, Italy
7. Clinical Analysis and Molecular Biology Laboratory Rome, Institute of Aerospace Medicine, 00185 Rome, Italy
8. Aerospace Medicine Department, Aerospace Test Division, Militay Airport Mario De Bernardi, Pratica di Mare, 00040 Rome, Italy