[1] MD Anderson Canc Ctr, Dept Dermatol, Houston, TX USA
[2] MD Anderson Canc Ctr, Dept Diagnost Radiol, Houston, TX USA
[3] Univ Southern Calif, Keck Sch Med, Dept Dermatol, Los Angeles, CA USA
[4] Univ Chile, Fac Med, Clin Servet, Dept Radiol,Inst Diagnost Imaging & Res Skin & So, Santiago, Chile
[5] Univ Chile, Fac Med, Clin Servet, Dept Dermatol,Inst Diagnost Imaging & Res Skin &, Santiago, Chile
[6] Thomas Jefferson Univ, Dept Dermatol, Philadelphia, PA 19107 USA