| Affiliation: | 1. Department of Dermatology, The Centers for Melanoma and Cutaneous Oncology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02115, USA;2. Dana-Farber/Brigham and Women’s Cancer Center, 450 Brookline Avenue, Boston, MA 02115, USA;1. Department of Dermatology, Brigham and Women’s Hospital, Harvard Medical School, 221 Longwood Avenue, Boston, MA 02215, USA;2. Department of Dermatology, Center for Cutaneous Oncology, Dana-Farber/Brigham and Women’s Cancer Center, 450 Brookline Avenue, Boston, MA 02115, USA;1. Department of Dermatology, University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA 19104, USA;2. Department of Dermatology, Brigham and Women’s Hospital, 221 Longwood Avenue, Boston, MA 02115, USA;3. Cutaneous Oncology Program, Dana Farber Cancer Institute, Boston, MA 02215, USA;1. Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario Arnau de Vilanova, Lleida, España;2. Unidad de Coloproctología, Hospital Universitario Arnau de Vilanova, Lleida, España;3. Servicio de Anatomía Patológica, Hospital Universitario Arnau de Vilanova, Lleida, España |
