1. Hospital Especializado Victor Lazarte Echegaray; Department of Medicine; Prolongación Unión No. 1380 Trujillo Peru
2. Hospital Cayetano Heredia; Department of Medicine; Av Honorio Delgado S/N - San Martin de Porras Lima Peru Lima 31
3. Universidad Peruana Cayetano Heredia; Department of Nephrology; Hospital Cayetano Heredia Honorio Delgado 420 Lima Peru 31