1. Department of Clinical Oncology, University Hospital 12 de Octubre, Madrid, Spain.
2. Department of Dermatology, University Hospital 12 de Octubre, Madrid, Spain.
3. Department of Pathology, University Hospital 12 de Octubre, Madrid, Spain.
4. Department of Clinical Oncology, Getafe Hospital, Madrid, Spain.
5. Department of Dermatology, Getafe Hospital, Madrid, Spain.
6. Division of Gyneco-Oncology, Breast Cancer Unit, University Hospital 12 de Octubre, Madrid, Spain.