[1] Univ Hosp Shefqet Ndroqi, Thorax Surg, Tirana, Albania
[2] Univ Hosp Shefqet Ndroqi, Anesteasie Reanimat, Tirana, Albania
[3] Univ Hosp Shefqet Ndroqi, Thorax Surg, Tirana, Albania
[4] Univ Hosp Shefqet Ndroqi, Pneumol Dept, Tirana, Albania
[5] Univ Hosp Shefqet Ndroqi, Anestesie Reanimat, Tirana, Albania
[6] Univ Hosp Shefqet Ndroqi, Pharm Serv, Tirana, Albania
[7] Univ Hosp Shefqet Ndroqi, Stomatol Serv, Tirana, Albania