"Much more work is needed to understand telemedicine's longer-term effects on quality of care, health outcomes and spending, and whether those effects differ across the diverse populations who depend on it," said Dr. Katherine Kahn of the UCLA medical school.

A hospital bill would have to show whether the care was delivered on the main campus or at an outpatient facility.

Despite a few advances, mental health benefit programs still suffer from significant gaps in the policies needed for a healthy workplace.