[1] Sapienza Univ Rome, Dept Publ Hlth & Infect Dis, Rome, Italy
[2] IRCCS UOSD Clin Trial Ctr, San Gallicano Dermatol Inst, Rome, Italy
[3] Direz Sci, Biostat & Bioinformat, Rome, Italy
[4] Univ Roma Tor Vergata, Dept Biomed & Prevent, Rome, Italy
[5] IRCCS Regina Elena Natl Canc Inst, Sci Lib, Rome, Italy
[6] OPI Rome Nursing Boards, Rome, Italy
[7] Italian Ctr Excellence Nursing Scholarship, Rome, Italy
[8] Cristo Re Hosp, Pain Management Clin, Rome, Italy
[9] Hlth Dist S Caterina Rosa, Pain Management Clin, Rome, Italy
[10] S Giovanni Hosp, Pain Management Clin, Rome, Italy
[11] World Inst Pain, Winston Salem, NC USA
[12] Campus Biomed Univ, Res Unit, Rome, Italy
[13] Sapienza Univ Rome, Dept Anat Histol Legal Med & Orthopaed, Rome, Italy
[14] Sapienza Univ, AOS Camillo Forlanini Hosp, Sch Nursing & Midwifery, Dept Hlth Profess, Rome, Italy