
Keywords: سیستم تعاونی برنامه ریزی و تحقیق در سراسر کشور; administrative data; HAIs; hospital-acquired infections; pneumonia; ATS; American Thoracic Society; CAP; community-acquired pneumonia; CSTE; Council of State and Territorial Epidemiologists; HAP; hospital-acquired pneumonia; HCAP; health-care-associated p