[1] Decis Sci Inst, PIRE, 1005 Main St, Pawtucket, RI 02860 USA
[2] Brown Univ, Sch Publ Hlth, Ctr Alcohol & Addict Studies, Providence, RI 02912 USA
[3] Henry Ford Hlth Syst, Ctr Hlth Policy & Hlth Serv Res, One Ford Pl,Suite 3A, Detroit, MI 48202 USA