1. Department of Emergency Medicine Careggi University Hospital Firenze
2. Department of Emergency Medicine San Luigi Gonzaga University Hospital Torino
3. Department of Internal Medicine University Hospital of Perugia Perugia
4. Respiratory Unit Dipartimento Scienze della Salute San Paolo Hospital Università degli Studi di Milano Milano
5. Casa di Cura del Policlinico Dipartimento di Scienze Neuroriabilitative Milano Italy