1. Hospital Arnau de Vilanova, Universidad Católica, Valencia, Spain
2. Medica Scientia Innovation Research, Barcelona, Spain
3. Medica Scientia Innovation Research, Ridgewood, New Jersey
4. International Breast Cancer Center Quiron Group, Barcelona
5. Vall d’Hebrón Institute of Oncology, Medical Oncology Department, Vall d’Hebrón University Hospital, Barcelona, Spain
6. Medical Oncology Department, Institut Claudius Regaud, Institut Universitaire du Cancer de Toulouse-Oncopole, Centre de recherches en cancérologie, Inserm, Toulouse, France
7. Medical Oncology Department, Institut Català d’Oncología, Insitut d’Investigació Biomèdica Bellvitge, Barcelona, Spain
8. Hospital Universitario Virgen del Rocío, Sevilla, Spain
9. Medical Oncology Department, Fundación Instituto Valenciano de Oncología, Valencia, Spain
10. Barts Experimental Cancer Medicine Centre, Barts Cancer Institute, Queen Mary University of London, and Barts Hospital, NHS Trust, London, United Kingdom
11. University Hospital Heidelberg, Medical Faculty Mannheim Heidelberg University, Heidelberg, Germany
12. Biomarkers Unit, Department of Applied Research and Technological Development, Fondazione Istituto Di Ricovero e Cura a Carattere Scientifico, Istituto Nazionale dei Tumori, Milano, Italy
13. Institut Universitaire de Cancérologie Assistance Publique–Hôpitaux de Paris, Sorbonne Université, Paris, France
14. National Center for Tumor Diseases, Heidelberg University Hospital and German Cancer Research Center, Heidelberg, Germany
15. Cancer Research Program, Hospital del Mar Research Institute, Barcelona, Spain
16. Medical Oncology Department, Hospital del Mar, Barcelona, Spain
17. Universitat Pompeu Fabra, Barcelona, Spain
18. Centro de Investigación Biomédica en Red de Oncología, Madrid, Spain
19. Medical Oncology Department, Hospital Universitario La Paz, Madrid, Spain
20. Royal Cornwall Hospitals NHS Trust, Truro, United Kingdom
21. Medical Oncology Department, Hospital Provincial Castellón, Castelló De La Plana, Spain
22. Medical Oncology Department, Hospital Universitari Sant Joan de Reus, Reus, Spain
23. Vall d’Hebrón Institute of Oncology, Barcelona, Spain
24. for the PARSIFAL Steering Committee and Trial Investigators