1. The Hebrew University of Jerusalem, Faculty of Medicine, the Hebrew University and Hadassah Braun School of Public Health and Community Medicine, Jerusalem, Israel
2. Jerusalem District Health Office, Ministry of Health, Jerusalem, Israel
3. The Hebrew University of Jerusalem, Faculty of Medicine, the Hebrew University and Hadassah Braun School of Public Health and Community Medicine, Department of Health Policy and Management, Jerusalem, Israel
4. Ministry of Health, Jerusalem, Israel