作者单位:VA Connecticut Healthcare Syst, Pain Res Informat Multimorbid & Educ PRIME Ctr In, West Haven, CT[1]Washington DC VA Med Ctr, Dept Neurol, Washington, DC USA[2]VA Eastern Colorado Hlth Care Syst, Ctr Innovat Vet Ctr & Value Driven Care, Denver, CO 80220 USA[3]Corporal Michael J Crescenz VAMC, CHERP, Philadelphia, PA USA[4]