1. Unidad de Investigacion Medica en Enfermedades Nefrologicas, Hospital de Especialidades, Centro Medico Nacional Siglo XXI, Mexico City, Mexico
2. Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland
3. Karolinska Institutet, Divisions of Baxter Novum and Renal Medicine, Department of Clinical Science, Intervention and Technology, Stockholm, Sweden