1. Nephrology Service, Hospital Civil de Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
2. Intensive Care Unit, Hospital H + Queretaro, Mexico
3. University of Guadalajara Health Sciences Center, Guadalajara, Jalisco, Mexico
4. Division of Nephrology, Hospital Obrero No 2 – CNS. IIBISMED, Facultad de Medicina, Universidad Mayor de San Simon, Cochabamba, Bolivia
5. Department of Nephrology, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico