1. Department of Emergency Medicine, Gülhane Research and Training Hospital, General Tevfik Saglam Street, Etlik, Ankara 06010, Turkey.
2. Clinic of Anesthesia and Resuscitation, Dışkapı Research and Training Hospital, Dışkapı, Ulus, Ankara 06010, Turkey.
3. Department of Internal Medicine, Etimesgut State Hospital, Etimesgut, Ankara 06010, Turkey.
4. Department of Emergency Medicine, Sultan Abdülhamid Research and Training Hospital, Haydarpaşa, Istanbul 02016, Turkey.