[1] Yale Univ, Yale Sch Med, Med Informat Ctr, 300 George St, New Haven, CT 06511 USA
[2] VA Connecticut Healthcare Syst, Dept Phys Med & Rehabil, 950 Campbell Ave, West Haven, CT 06516 USA
[3] VA Connecticut Healthcare Syst, Pain Res Informat Multimorbid & Educ PRIME Ctr, 950 Campbell Ave, West Haven, CT 06516 USA
[4] Yale Univ, Yale Sch Publ Hlth, Ctr Analyt Sci, 300 George St, New Haven, CT 06511 USA