1. Department of Dermatology, Escuela de Medicina, Pontificia Universidad Católica de Chile , Santiago , Chile
2. Melanoma and Skin Cancer Unit, Escuela de Medicina, Pontificia Universidad Católica de Chile , Santiago , Chile
3. Dermatology Service, Memorial Sloan Kettering Cancer Center , New York, NY , USA
4. Department of Dermatology , Northwell Health, New York, NY , USA