Document For patients and healthcare professionals Children Adolescents Info, consent/permission Leukemia Biobank U-a Aug 2013Parents Info, consent/permission Leukemia Biobank U-a Aug 2013 For healthcare professionals Once the patient has received a study number, NOPHO/Castor, this should be stated on the referral.In our future work, the study number will be used for all communication and, for example, when releasing samples. Referral form (2023-01-18) For researchers Sample release request formL1. Access to sample collection for research AppendixMTA