According to Multiple Research Studies, Which Intervention Has Resulted in Lower

According to multiple research studies, which intervention has resulted in lower costs and fewer rehospitalizations in high-risk older patients?

A) Coordination of posthospital care by advanced practice health care providers
B) Frequent posthospital clinic visits with a primary care provider
C) Inclusion of extended family members in the outpatient plan of care
D) Telephone follow-up by the pharmacist to assess medication compliance