[1] Boston Univ, Boston Med Ctr, Med Ctr, Dowling 5,771 Albany St, Boston, MA 02218 USA
[2] Univ Calif San Francisco, San Francisco Sch Med, Dept Family Med, Boston Med Ctr, Boston, MA USA
[3] Univ Nottingham, Dept Family Med, Boston Med Ctr, Sch Med, Nottingham, England
[4] Yale Univ, Sch Nursing, Dept Family Med, Boston Sci, Orange, CT USA
[5] Commonwealth Care Alliance Med Grp, Commonwealth Community Care, Lawrence, KS USA