[1] Fdn Policlin Univ A Gemelli IRCCS, Dept Med & Surg Sci, Pulm Med Unit, Largo Gemelli,8, I-00168 Rome, Italy
[2] Valle Serchio Gen Hosp, Diagnost & Intervent Ultrasound Unit, Lucca, Italy
[3] Fdn Policlin Univ A Gemelli IRCCS, Dipartimento Sci Lab & Infettivol, UOC Malattie Infett, Rome, Italy
[4] Fdn Policlin Univ A Gemelli IRCCS, Dipartimento Sci Salute Donna Bambino & Sanita Pu, Rome, Italy
[5] Univ Cattolica Sacro Cuore, Dipartimento Sci Vita & Sanita Pubbl, Rome, Italy
[6] Fdn Policlin Univ A Gemelli IRCCS, Dept Diagnost Imaging Oncol Radiotherapy & Hemato, I-00168 Rome, Italy
[7] Univ Cattolica Sacro Cuore, Sect Radiol, Univ Dept Radiol & Hematol Sci, I-00168 Rome, Italy
[8] Fdn Policlin Univ A Gemelli IRCCS, Dept Woman & Child Hlth & Publ Hlth, Paediat Unit, Rome, Italy
[9] Fdn Policlin Univ A Gemelli IRCCS, Intens Care Therapy, Sci Emergency, Anesthesiol, Rome, Italy
[10] Fdn Policlin Univ A Gemelli IRCCS, Dept Med & Surg Sci, Largo Gemelli,8, I-00168 Rome, Italy
[11] Fdn Policlin Univ A Gemelli IRCCS, Emergency Med, Rome, Italy
[12] Univ Trento, Ultrasound Lab Trento, Dept Informat Engn & Comp Sci, Trento, Italy
[13] Univ Cattolica Sacro Cuore, Dipartimento Sci Cardiovasc & Torac, I-00168 Rome, Italy