1. General Intensive Care Unit, Sourasky Medical Center, Tel Aviv, Israel, affiliated with Sackler Faculty of Medicine, Tel Aviv University
2. Department of Medicine, Meir Hospital, Kfar-Saba, Israel
3. School of Graduate Studies, Levinsky-Wingate Academic College, Wingate Institute, Netanya, Israel
4. Department of Cardiac Surgery, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel