Inclusion Criteria:  Child and guardian both understand English Child is 4 to 18 years of age Child has diagnosis of cancer or is a hematopoietic stem cell transplant (HSCT) recipient Child is inpatient or outpatient  Exclusion Criteria:  Participants who have illness severity, cognitive disability, or visual impairment that preclude utilization of co-SSPedi, SSPedi/mini-SSPedi or proxy SSPedi according to the primary healthcare team