[1] RTI Int, Ctr Adv Methods, 307 Waverly Oaks Rd,Suite 101, Waltham, MA 02452 USA
[2] Dept Vet Affairs Boston Healthcare Syst, Boston, MA USA
[3] Dept Vet Affairs Connecticut Healthcare Syst, West Haven, CT USA
[4] Yale Sch Med, Dept Psychiat, New Haven, CT USA
[5] Yale Univ, Sch Med, Dept Emergency Med, New Haven, CT USA
[6] Yale Univ, Sch Nursing, New Haven, CT 06536 USA
[7] VA Cent Western Massachusetts Healthcare Syst, Leeds, MA USA
[8] Univ Massachusetts, Sch Med, Dept Quantitat Hlth Sci, Leeds, MA USA