1. Department of Dermatology, Escuela de Medicina Pontificia Universidad Católica de Chile Santiago Chile
2. Department of Dermatology and Cutaneous Surgery, Morsani School of Medicine University of South Florida Tampa Florida USA
3. Moffitt Cancer Center Tampa Florida USA
4. Department of Pathology, Escuela de Medicina Pontificia Universidad Católica de Chile Santiago Chile
5. Department of Pathology, Faculty of Medicine Universidad de la Frontera Temuco Chile
6. Melanoma and Skin Cancer Unit, Escuela de Medicina Pontificia Universidad Católica de Chile Santiago Chile