Seven weeks.
D001601:Bereavement; D001932:Brain Neoplasms / Q000451:nursing / Q000523:psychology* / Q000628:therapy; D002675:Child, Preschool; D003657:Decision Making; D017809:Fatal Outcome; D006801:Humans; D008297:Male; D009859:Oncology Nursing; D010290:Parents / Q000523:psychology*