[1] Univ Massachusetts Chan Med Sch, Dept Populat & Quantitat Hlth Sci, Div Epidemiol, Worcester, MA USA
[2] Univ Massachusetts Chan Med Sch, Morningside Grad Sch Biomed Sci, Clin & Populat Hlth Res Program, 55 Lake Ave North, Worcester, MA USA
[3] Joint Endeavor Univ Massachusetts Chan Med Sch, Meyers Hlth Care Inst, Fallon Hlth & Reliant Med Grp, Worcester, MA USA
[4] Univ Massachusetts Chan Med Sch, Dept Med, Div Hlth Syst Sci, Worcester, MA USA
[5] Univ Massachusetts Chan Med Sch, Dept Med, Div Rheumatol, Worcester, MA USA
[6] Univ Massachusetts Chan Med Sch, Div Biostat & Hlth Serv Res Populat & Quantitat Hl, Worcester, MA USA
[7] Univ Massachusetts Chan Med Sch, Albert Sherman Ctr, Dept Populat & Quantitat Hlth Sci, 368 Plantat St, QHS AS7-1065N, Worcester, MA 01605 USA