1. Department of Nursing; Tel Aviv University; Tel Aviv Israel
2. Quality and Patient Safety in Nursing; Clalit Health Services; Petah Tikva Israel
3. Operating Room; Clalit Health Services; Petah Tikva Israel
4. Beilinson Hospital; Rabin Medical Center; Clalit Health Services; Petah Tikva Israel
5. Delivery Room; Assaf Harofeh Medical Center; Tzrifin Israel