[1] Hosp Gen Agudos Dr T Alvarez, Grp Trabajo Infectol, JF Aranguren 2701, RA-1406 Buenos Aires, DF, Argentina
[2] Hosp Italiano Mendoza, Serv Infectol, Mendoza, Argentina
[3] Hosp Gen Agudos Dr Pirovano, Buenos Aires, DF, Argentina
[4] Clin Monte Grande, Monte Grande, Argentina
[5] UBA, Hosp Clin Jose de San Martin, Buenos Aires, DF, Argentina
[6] Hosp Italiano Buenos Aires, Buenos Aires, DF, Argentina
[7] Sanatorio Dupuytren, Buenos Aires, DF, Argentina
[8] Hosp Univ Austral, Buenos Aires, DF, Argentina
[9] UBA, Inst Invest Med A Lanari, Buenos Aires, DF, Argentina
[10] Ctr Med Huesped, Policlin Docente, Buenos Aires, DF, Argentina
[11] Inst Cesar Milstein, Buenos Aires, DF, Argentina
[12] Ctr Med Dr Stamboulian, Inst Cardiovasc Buenos Aires, Buenos Aires, DF, Argentina