1. Baskent University, Istanbul Training and Research Center, Anesthesiology and Reanimation (Cardiovascular Intensive Care Unit), Turkey
2. Bakirkoy Dr. Sadi Konuk Training & Research Hospital, Anesthesiology and Reanimation, Turkey
3. Baskent University, Ankara Training and Reasearch Center, Anesthesiology and Reanimation, Turkey
4. Baskent University, Istanbul Training and Reasearch Center, Anesthesiology and Reanimation, Turkey