1. Intensive Care Clinic, Ankara City Hospital, Ankara, Turkey.
2. Intensive Care Clinic, İstanbul Başakşehir City Hospital, İstanbul, Turkey.
3. Intensive Care Clinic, Kahramanmaraş Necip Fazıl City Hospital, Kahramanmaraş, Turkey.
4. Department of Urology Clinic, Ankara City Hospital, Ankara, Turkey.