[1] Clin RedSalud Santiago, Av Libertador Bernardo OHiggins 4850, Santiago, Region Metropol, Chile
[2] Hosp El Carmen Dr Luis Valentin Ferrada, Santiago, Chile
[3] Hosp Clin Dra Eloisa Diaz I La Florida, Santiago, Chile
[4] Hosp Clin Fuerza Aerea Chile, Santiago, Chile
[5] Inst Traumatol Dr Teodoro Gebauer Weisser, Santiago, Chile
[6] Hosp Barros Luco, Santiago, Chile