1. Department of Medical Oncology, Portuguese Oncology Institute (IPO PORTO), Rua Dr. António Bernardino de Almeida, 4200-072, Porto, Portugal
2. Department of Medical Oncology, Hospital Infante Dom Pedro, Aveiro, Portugal
3. School of Medicine, University of Otago, 2 Riccarton Ave, Christchurch Central, 8011, Christchurch, New Zealand
4. Oncology Institute of Southern Switzerland (IOSI), CH6500 Bellinzona, Switzerland
5. Department of Medical Oncology, University of Athens School of Medicine, Athens, Greece
6. Department of Biomedical Sciences & Medicine, School of Medicine, University of Algarve, 8005-139, Faro, Portugal