1. University of Health Sciences Türkiye, Gülhane Training and Research Hospital, Palliative Care Unit, Ankara, Türkiye
2. University of Health Sciences Türkiye, Gülhane Training and Research Hospital, Clinic of Otorhinolaryngology, Ankara Türkiye
3. University of Health Sciences Türkiye, Gülhane Training and Research Hospital, Clinic of Internal Medicine, Ankara, Türkiye
4. University of Health Sciences Türkiye, Gülhane Faculty of Medicine; Gülhane Training and Research Hospital, Department of Anesthesiology and Reanimation Ankara, Türkiye
5. University of Health Sciences Türkiye, Gülhane Faculty of Medicine; Gülhane Training and Research Hospital, Department of Internal Medicine, Ankara, Türkiye