1. Center for Dermatoepidemiology-111D, Veterans Affairs Medical Center, Providence, RI, USA
2. Department of Dermatology, Alpert Medical School of Brown University, Providence, RI, USA
3. Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
4. Health Economics Resource Center and Center for Innovation to Implementation, Veterans Affairs Palo Alto, USA
5. Stanford University School of Medicine, Palo Alto, CA, USA