[1] Clin San Camilo, Med Interna Serv, Buenos Aires, DF, Argentina
[2] Clin San Camilo, Serv Cardiol, Buenos Aires, DF, Argentina
[3] Clin San Camilo, Serv Reumatol, Buenos Aires, DF, Argentina
[4] Hosp Aeronaut Cent, Serv Reumatol, Buenos Aires, DF, Argentina