This class points to an administration of the Craig Handicap Assessment and Reporting Technique Short Form (CHART-SF) Assessment Instrument to the Patient. The VA's SCIDO system contains a number of Assessment Events which could conceivably be used in other systems (such as a Behavioral Health system). This class simply serves to link the CHART-SF assessments in SCIDO to the more general CHART-SF Assessments modeled in the Assessments package. Logically, neither this class nor the parent SCI_Assessment should exist, but rather the SpinalCordRegistration class should point directly to the relevant CHART-SF assessments.