[1] Univ Med & Pharm Carol Davila, Doctoral Sch, Bucharest 050474, Romania
[2] Bucharest Univ Econ Studies, Dept Philosophy & Social & Human Sci, Piata Romana 6, Dist 1, Bucharest 010374, Romania
[3] Univ Med & Pharm Carol Davila, Dept Gastroenterol & Internal Med, Bucharest 050474, Romania
[4] Elias Univ Emergency Hosp, Phys & Rehabil Med Dept, Bucharest 011461, Romania
[5] Univ Med & Pharm Carol Davila, Phys Med & Rehabil Dept 9, Bucharest 050474, Romania