1. Private practice, no academic affiliations; Le grotte 12 Malcesine Verona Italy 37018
2. Kyoto University Graduate School of Medicine/School of Public Health; Department of Health Promotion and Human Behavior; Yoshida Konoe-cho, Sakyo-ku, Kyoto Japan 606-8501
3. University of Ioannina School of Medicine; Department of Hygiene and Epidemiology; Ioannina Epirus Greece 45500
4. University of Bern; Institute of Social and Preventive Medicine (ISPM) & Bern Institute of Primary Care (BIHAM); Finkenhubelweg 11 Bern Switzerland 3005