[1] St Vincent Hosp, Dept Internal Med, Worcester, MA USA
[2] Brown Univ, East Greenwich, RI USA
[3] Brown Univ, Warren Alpert Med Sch, Providence, RI USA
[4] Brown Univ, Warren Alpert Med Sch, East Providence, RI USA
[5] Brown Univ, Kent Hosp, Warwick, RI USA