1. Division of Nephrology Hospital Luis Calvo Mackenna Santiago Chile
2. University of Chile Santiago Chile
3. Division of Nephrology Hospital Roberto del Río Santiago Chile
4. Division of Nephrology Clínica Alemana Santiago Chile
5. Department of Pediatric Hospital Luis Calvo Mackenna Santiago Chile
6. Division of Nephrology Hospital del Salvador Santiago Chile
7. Renal transplant program Hospital Luis Calvo Mackenna Santiago Chile
8. Division of Nephrology Department of Medicine Hospital Clinico Universidad de Chile Santiago Chile
9. Centro de Investigación Clínica Avanzada Hospital Clinico Universidad de Chile Santiago Chile
10. Critical Care Center Clínica Las Condes Santiago Chile