Figure 1From: Collaborative Care for Older Adults with low back pain by family medicine physicians and doctors of chiropractic (COCOA): study protocol for a randomized controlled trial Participant flow chart. CATI, Computer-assisted telephone interview. DC, Doctor of Chiropractic. DO, Doctor of Osteopathy. GFMC, Genesis Family Medical Center. MD, Medical Doctor. PCCR, Palmer Center for Chiropractic Research.Back to article page