1 Division of Nephrology and Immunology, Rheinisch-Westfälische Technische Hochschule Aachen, Aachen, Germany.
2 Pediatric Nephrology Division, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA.
3 Complutense University, Investigation Institute Hospital 12 de Octubre, Madrid, Spain.
4 Division of Nephrology, Columbia University Medical Center, New York, New York, USA.
5 Division of Nephrology, Department of Medicine, University Health Network and University of Toronto, Toronto, Ontario, Canada.
6 Department of Pediatric Nephrology, Amalia Children's Hospital, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands.
7 Department of Nephrology, Radboud University Medical Center, Nijmegen, the Netherlands.
8 Department of Nephrology, Charles University and General University Hospital, Prague, Czech Republic.
9 Division of Nephrology and Dialysis, Department of Pediatric Subspecialties, Bambino Gesù Pediatric Hospital Istituto di Ricerca e Cura a Carattere Scientifico, Rome, Italy.
10 ApotheCom, San Francisco, California, USA.
11 Research Office of the Vice-President, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.