[1] Brown Univ, Warren Alpert Med Sch, Dept Plast Surg, Providence, RI 02912 USA
[2] Brown Univ, Warren Alpert Med Sch, Dept Gen Surg, Providence, RI 02912 USA
[3] Brown Univ, Warren Alpert Med Sch, Dept Med, Providence, RI 02912 USA
[4] Rhode Isl Hosp, Providence, RI USA
[5] Vanderbilt Univ, Dept Surg, Med Ctr, Nashville, TN 37240 USA