[1] Hosp Gen Agudos Dr Enrique Tornu, Buenos Aires, DF, Argentina
[2] Hosp Gen Agudos Bernardino Rivadavia, Buenos Aires, DF, Argentina
[3] Hosp Gen Agudos Dr Ignacio Pirovano, Buenos Aires, DF, Argentina
[4] Hosp Aleman, Buenos Aires, DF, Argentina
[5] Hosp Britan, Buenos Aires, DF, Argentina
[6] Hosp Privado Cordoba, Cordoba, Argentina
[7] Hosp Cordoba, Cordoba, Argentina
[8] Org Med Invest, Buenos Aires, DF, Argentina
[9] Inst Prov Rehabil Integral, Santiago Del Estero, Argentina
[10] Clin Bessone, San Miguel De Tucuman, Argentina