ANSOS™ Staff Scheduling application-which is contracted by over 300 hospitals and health systems, along with related products, is added to HealthStream’s Workforce Solutions segment.HealthStream (Nasdaq: HSTM), a leading provider of workforce and provider solutions for the healthcare industry, today announced that it has entered into a definitive agreement to acquire Change Healthcare’s staff scheduling business, which includes their market-leading ANSOS™ Staff Scheduling (“ANSOS”) application and related products.