[1] Casa Sollievo della Sofferenza Hosp, IRCCS, Unit Internal Med, San Giovanni Rotondo, Italy
[2] Casa Sollievo della Sofferenza Hosp, IRCCS, Unit Intervent Ultrasound Internal Med, San Giovanni Rotondo, Italy
[3] Monaldi Hosp, AORN, Ultrasound Diagnost Unit, Dept Radiol, Naples, Italy