1. Department of Palliative Care, İstanbul Provincial Health Directorate İstanbul Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital, İstanbul-Turkey.
2. ISTANBUL AYDIN UNIVERSITY
3. IZMIR DEMOCRACY UNIVERSITY
4. UNIVERSITY OF HEALTH SCIENCES, İSTANBUL SÜREYYAPAŞA HEALTH RESEARCH CENTER FOR PULMONOLOGY AND THORACIC SURGERY, DEPARTMENT OF INTERNAL MEDICINE, DEPARTMENT OF THORACIC DISEASES