National & Kapodistrian University of Athens, University of Lausanne - Lausanne University Hospital, National & Kapodistrian University of Athens, Agios Savvas - Cardiology Department, - Section of Medical Oncology, National & Kapodistrian University of Athens, National & Kapodistrian University of Athens, University of Lausanne - Lausanne University Hospital, Yale University, Yale University, University of Lausanne - Lausanne University Hospital, National & Kapodistrian University of Athens, - Section of Medical Oncology, National & Kapodistrian University of Athens, National & Kapodistrian University of Athens, Yale University, University of Lausanne - Lausanne University Hospital, University of Lausanne - Lausanne University Hospital, National & Kapodistrian University of Athens and - Section of Medical Oncology