1Department of Pediatric Nephrology and Rheumatology, Ghent University Hospital, ERKNet Center, Ghent, Belgium

2Department of Pediatric Nephrology and Solid Organ Transplantation, University Hospitals Leuven, Ghent, Belgium

3Department of Pediatrics, Groene Hart Ziekenhuis Gouda, Gouda, The Netherlands

4Eurotransplant International Foundation, Leiden, The Netherlands

5Department of Statistics, LMU Munich, Munich, Germany

6Munich Center for Machine Learning (MCML), Munich, Germany

7Children's Hospital Nottingham, Nottingham, United Kingdom

8Department of Pediatrics I, University Children's Hospital Heidelberg, Heidelberg, Germany

9CERTAIN Research Network, Heidelberg, Germany

10Department of Pediatrics II, University Hospital of Essen, Essen, Germany

Correspondence: Dr. Agnieszka Prytuła, Department of Pediatric Nephrology and Rheumatology, Ghent University Hospital, Corneel Heymanslaan 10, Ghent 9000, Belgium. Email: [email protected]

*M. Bald, H. Fehrenbach, D. Haffner, M. Hansen, C. Hempel, U. John, G. Klaus, J. König, B. Lange-Sperandio, D. Müller, J. Oh, L. Pape, M. Pohl, K. Sauerstein, G. Schalk, H. Staude, P. Strotmann, LT Weber, M. Weitz, L. Berta, and K. Heindl-Rusai.

See related editorial, “Embracing Complexity to Better Serve Pediatric Kidney Transplant Recipients,” on pages 286–288.