[1] AUSL Modena, I-20132 Modena, Italy
[2] Circolo Hosp & Macchi Fdn, Varese, Italy
[3] Gen Univ Hosp Federico 2, Naples, Italy
[4] Hosp San Raffaele, Univ Vita Salute, Milan, Italy
[5] Carita Gen Hosp, Novara, Italy
[6] Circolo Hosp & Macchi Fdn, Varese, Italy