ARM II: Patients receive tailored survivorship educational materials from the Children's Oncology Group patient education "Health Links" as well as a brochure with self-management strategies entitled: "Moving Into Adult Health Care: A Guide for Young Adults With and Without Disabilities" via email or postal mail. Patients also receive general health tips (e.g., exercise and nutrition recommendations) via text message weekly for 4 weeks and then monthly for 2 months.