University of Cologne, Heidelberg University, University of Cologne, Heidelberg University - University Children’s Hospital Heidelberg, Heidelberg University - University Children’s Hospital Heidelberg, Charité - Universitätsmedizin Berlin, Charité - Universitätsmedizin Berlin, Dresden University of Technology, University of Erlangen-Nuremberg, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, Hannover Medical School, Hannover Medical School, Hospital of Memmingen, University of Freiburg, University of Marburg - University Hospital Marburg, Dritter Orden Clinic Munich-Nymphenburg, Children’s Hospital Münster, Charité Universitätsmedizin Berlin, University of Duisburg-Essen - University Hospital Essen, University of Cologne, Asklepios Klinik Nord – Heidberg, Heidelberg University, Heidelberg University, Heidelberg University - Department of Pediatrics I and University of Cologne

Great Ormond Street Hospital for Children, Heidelberg University - University Hospital Heidelberg, Vilnius University, Çukurova University, Heidelberg University - University Hospital Heidelberg, Hacettepe University, Istanbul University, Ege University, Université de Lyon, Hospices Civils de Lyon, University Children's Clinic Tiršova, Gazi University, Marmara University, Medical University of Vienna, Children’s Memorial Health Institute, University Hospital Hautepierre, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Medical University of Gdansk, Heidelberg University - University Hospital Heidelberg, Hannover Medical School, Charité Universitätsmedizin Berlin, Heidelberg University - University Hospital Heidelberg, Great Ormond Street Hospital for Children and Independent