Universe
The target population of this survey is all health care centers in the Palestinian Territory, and they divide to:
1. Governmental health care centers (Ministry of Health, Health Care Military Service, Lijan Azakah).
2. Non-governmental health care centers (Health Union Committees, Union of Palestine Health Care Relief Committees, Refits Friends Benevolent Society, UNRWA, Red Crescent Society, and Red Cross) in the Palestinian Territory.
3. Private health care sector.