[1] Univ Florence, Dept Hlth Sci, Viale Morgagni 48, I-50134 Florence, Italy
[2] Azienda USL Toscana Ctr, Dept Community Healthcare Network, Florence, Italy
[3] Azienda USL Toscana Ctr, Florence, Italy
[4] Cent Tuscany Hlth Soc, Florence, Italy
[5] Reg Hlth Agcy Tuscany, Florence, Italy