1 Texas A&M School of Medicine, Bryan, Texas, USA.
2 Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
3 Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA.
4 Department of Dermatology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
5 Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA. Electronic address: tiffany_libby@brown.edu.