[1] Univ Siena, Post Grad Sch Publ Hlth, Siena, Italy
[2] Cent Tuscany Local Hlth Author, Dept Tech Hlth Profess, Florence, Italy
[3] Reg Hlth Agcy Tuscany, Qual & Equ Unit, Florence, Italy
[4] Cent Tuscany Local Hlth Author, Healthcare Management, Florence, Italy
[5] Univ Siena, Dept Mol & Dev Med, Siena, Italy