1. Department of Medical Oncology; Malatya State Hospital; Malatya Turkey
2. Department of Medical Oncology; Gazi University Faculty of Medicine; Ankara Turkey
3. Department of Medical Oncology; Marmara University Faculty of Medicine; Istanbul Turkey
4. Department of Medical Oncology; Dokuz Eylül University Faculty of Medicine; Izmir Turkey
5. Department of Thoracic Surgery; Marmara University Faculty of Medicine; Istanbul Turkey
6. Department of Medical Oncology; Regional Training and Research Hospital; Van Turkey
7. Department of Medical Oncology; Dr Lutfi Kirdar Kartal Education and Research Hospital; Istanbul Turkey
8. Department of Medical Oncology; Numune Education and Research Hospital; Ankara Turkey
9. Department of Medical Oncology; Necmettin Erbakan University Faculty of Medicine; Konya Turkey
10. Department of Medical Oncology; Dr Abdurrahman Yurtaslan Education and Research Hospital; Ankara Turkey
11. Department of Medical Oncology; Erciyes University Faculty of Medicine; Kayseri Turkey
12. Department of Medical Oncology; Adıyaman University Education and Research Hospital; Adıyaman Turkey
13. Department of Medical Oncology; Dicle University Faculty of Medicine; Diyarbakir Turkey
14. Department of Medical Oncology; Antakya State Hospital; Hatay Turkey
15. Department of Medical Oncology; Rize Education and Research Hospital; Rize Turkey