van der Beek, Justine N. http://orcid.org/0000-0002-4798-8787
Schenk, Jens-Peter http://orcid.org/0000-0002-0588-0225
Morosi, Carlo http://orcid.org/0000-0003-4940-2185
Watson, Tom A. http://orcid.org/0000-0001-6079-3362
Coma, Ana http://orcid.org/0000-0001-8290-9717
Graf, Norbert http://orcid.org/0000-0002-2248-323X
Chowdhury, Tanzina http://orcid.org/0000-0003-3891-5778
Ramírez-Villar, Gema L. http://orcid.org/0000-0001-9986-5861
Spreafico, Filippo http://orcid.org/0000-0002-5587-3509
Welter, Nils http://orcid.org/0000-0001-9874-4726
Dzhuma, Kristina http://orcid.org/0000-0003-4559-3252
van Tinteren, Harm http://orcid.org/0000-0002-4626-8702
de Krijger, Ronald R. http://orcid.org/0000-0001-6871-1296
van den Heuvel-Eibrink, Marry M. http://orcid.org/0000-0002-7760-879X
Littooij, Annemieke S. http://orcid.org/0000-0002-1839-0882
Funding for this research was provided by:
Stichting Kinderen Kankervrij (341)
Article History
Received: 6 November 2023
Revised: 20 March 2024
Accepted: 21 March 2024
First Online: 13 April 2024
Declarations
:
: Informed consent from registration in the International Society of Pediatric Oncology – Renal Tumor Study Group (SIOP-RTSG) SIOP 93 − 01, SIOP 2001 (SIOP WT 2001 trial, EudraCT number: 2007-004591-39), UK-IMPORT (London Bridge number: 12/LO/0101) and 2016-UMBRELLA (EudraCT number: 2016-004180-39) studies had been obtained from parents of included pediatric patients prior to treatment, according to national law and regulations. Therefore, this study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. In The Netherlands, formal consent for diagnostic MR-images was waived following obtained approval from the Institutional Review Board of the University Medical Center Utrecht (WAG/mb/20/019804 20–332, 26-05-2020) due to the retrospective nature of the study. In Germany, the study was approved of by the Institutional Ethics Committee of the Ärztekammer des Saarlandes (number: 136/01, 20th of September 2002) for SIOP 2001 and concomitant research. This study was approved by the SIOP-RTSG steering committee in 2023.
: None