The work of K.T.M. is supported by a Novo Nordisk Foundation clinical research fellowship (grant no. 100191) and centre grant (Novo Nordisk Foundation Center for Stem Cell Biology, DanStem, grant no. NNF17CC0027852), by the Danish Council for Strategic Research (grant no. 2034-00089B), the Danish Cancer Society (grant no. R302-A17376), Børnecancerfonden (2021-7385), the Danish Health Regions, and the Sven Andersen Fonden. The work of L.E. is supported by Nordic Institute of Health Economics A/S.