[1] Univ Massachusetts Lowell, Dept Publ Hlth, 61 Wilder St,OLeary 540 N, Lowell, MA 01854 USA
[2] Miriam Hosp, Ctr Behav & Prevent Med, Providence, RI 02906 USA
[3] Brown Sch Publ Hlth, Dept Behav & Social Sci, Providence, RI USA
[4] Brown Univ, Ctr Alcohol & Addict Studies, Providence, RI 02912 USA
[5] Community Coll Rhode Isl, Warwick, RI USA
[6] Brown Univ, Dept Psychiat & Human Behav, Alpert Med Sch, Providence, RI 02912 USA