1. Department of Physiology and Pharmacology “V. Erspamer”, School of Medicine, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
2. Department of Experimental and Clinical Medicine, School of Medicine, University of Udine, Piazzale S. Maria della Misericordia, 33100 Udine, Italy
3. Department of Public Health and Community Medicine, Section of Pharmacology, University of Verona, Policlinico G. B. Rossi, Piazzale Scuro 10, 36134 Verona, Italy
4. Department of Public Health and Infectious Diseases, School of Medicine, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
5. Department of Cardiology and Pneumology, University Hospital Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
6. Department of Epidemiology and Public Health, Health Behaviour Research Centre, University College London, 1-19 Torrington Place, London WC1E7HB, UK
7. Division of Epidemiology, The Ohio State University College of Public Health, 1841 Neil Ave, 310 Cunz Hall, Columbus, OH 43210, USA
8. Department of Pharmacology, School of Medicine, Catholic University of Rome, Largo F. Vito 1, 00168 Rome, Italy