1 Department of Pediatric Nephrology, University Children's Hospital Zurich, Zürich, Switzerland.
2 Paediatric Nephrology Department, Great Ormond Street Hospital for Children, London, UK.
3 UCL Great Ormond Street Institute for Child Health, University College London, London, UK.
4 Great North Children's Hospital Newcastle, Newcastle upon Tyne, UK.
5 Department of Pediatric Nephrology, The Queen Silvia Children's Hospital, Sahlgrenska University Hospital, Göteborg, Sweden.
6 Department of Pediatric Nephrology and Transplantation, New Children's Hospital, University of Helsinki, Helsinki University Hospital, Helsinki, Finland.
7 Division of Pediatric Nephrology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.
8 Pediatric Nephrology, Dialysis and Transplant Unit, Fondazione IRCCS Ca' Grande Ospedale Maggiore Policlinico, Milan, Italy.
9 Emma Children's Hospital, Amsterdam University Medical Center, Amsterdam, Netherlands.
10 Department of Pediatrics, Faculty of Medecine, Chulalongkorn University, Bangkok, Thailand.