[1] Boston Univ, Sch Med, Dept Dermatol, Boston, MA 02118 USA
[2] Brown Univ, Dept Med, Alpert Med Sch, Providence, RI 02912 USA
[3] Brown Univ, Dept Psychiat & Human Behav, Alpert Med Sch, Providence, RI 02912 USA
[4] Harvard Med Sch, Massachusetts Gen Hosp, Dept Phys Med & Rehabil, Boston, MA 02115 USA
[5] Boston Univ, Sch Med, Boston, MA 02118 USA
[6] Mayo Clin, Sch Med, Dept Anesthesiol & Perioperat Med, Rochester, MN USA
[7] Univ Calif San Diego, Sch Med, Dept Anesthesiol, San Diego, CA 92103 USA
[8] Stanford Univ, Dept Radiat Oncol, San Jose, CA USA
[9] Penn State Hlth Milton S Hershey Med Ctr, Dept Surg, Hershey, PA USA
[10] Harvard Med Sch, Massachusetts Gen Hosp, Dept Pathol, Dermatopathol Unit, 55 Fruit St,WRN 834, Boston, MA 02114 USA