Funding for this research was provided by:
Foundation for Pediatric Cancer Research (No 93-011)
Dutch Cancer Society (NKI 94-084)
European Community (BMH4-CT98-3297)
Received: 2 January 2020
Accepted: 25 June 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: This study was approved by the Medical Ethical Committee of the Amsterdam University Medical Center.Informed consent was obtained from patients whom platelet-rich plasma was used in this study.Mice were bred in the animal facility of the Netherlands Cancer Institute. Experiments were performed in accordance with the national regulations for animal experimentations, and protocols were approved by the local animal welfare committee. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
: Not applicable
: All authors declare that they have no conflict of interest.