Funding for this research was provided by:
Stichting Kinderen Kankervrij (304)
Text and Data Mining valid from 2019-11-09
Received: 3 October 2019
Accepted: 23 October 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: The study protocol has been approved by the Medical Ethical Committee Utrecht. Identifier: 19–106/M. The study adheres to the tenets of the Declaration of Helsinki. Participation of the different study sites is reviewed at each center according to Dutch law. Registration of the study was requested April 24, 2019 in the Netherlands Trial Register (NTR). Identifier: NL7697.Written informed consent will be obtained from the parents or guardians of each patient and of the patients older than 12 years of age themselves after detailed information of the study procedures. Study withdrawal is possible at any moment without providing the reason.
: Not applicable
: The authors declare that they have no competing interests.