1. Microenvironment and Metastasis Laboratory, Molecular Oncology Program, Spanish National Cancer Research Center, Madrid, Spain
2. Children's Cancer and Blood Foundation Laboratories, Department of Pediatrics, Weill Cornell Medicine, New York, NY
3. Proteomics Unit–ProteoRed-Instituto de Salud Carlos III, Spanish National Cancer Research Center, Madrid, Spain
4. Exosome Diagnostics, GmbH, Martinsried, Germany
5. Electron Microscopy Unit, Spanish National Cancer Research Center, Madrid, Spain
6. Hereditary Endocrine Group, Spanish National Cancer Research Center, Madrid, Spain
7. Department of Pathology, Microbiology & Immunology, Albert Einstein College of Medicine, New York, NY
8. Memorial Sloan Kettering Cancer Center, New York, NY
9. Maria Sklodowska-Curie Institute–Oncology Center, Department of Pathology and Laboratory Medicine, Warsaw, Poland
10. Maria Sklodowska-Curie Institute–Oncology Center, Department of Soft Tissue/Bone Sarcoma and Melanoma, Warsaw, Poland
11. Exosome Diagnostics, Inc., Waltham, MA
12. Department of Dermatology, Medical school, Universidad Complutense de Madrid, Instituto i+12, Hospital Universitario 12 de Octubre, Madrid, Spain
13. Department of Pathology, Medical school, Universidad Complutense de Madrid, Instituto i+12, Hospital Universitario 12 de Octubre, Madrid, Spain