[1] Brown Med Sch, Providence, RI 02906 USA
[2] Miriam Hosp, Providence, RI 02906 USA
[3] Univ Massachusetts Lowell, Lowell, MA USA
[4] Brown Univ, Sch Publ Hlth, Providence, RI 02912 USA
[5] Miriam Hosp, Ctr Behav Med, Providence, RI 02903 USA
[6] Miriam Hosp, Ctr Prevent Med, Providence, RI 02903 USA
[7] Brown Univ, Providence, RI 02912 USA