“…Office of Communications, Archdiocese of Chicago ; The Catholic Health Association of the United States…”

“…US Department of Health, Education, and Welfare : Social and Rehabilitation Service. …”

“…Association of University Programs in Health Administration (AUPHA) : American Society of Law and Medicine…”

“…Domography and Ageing Unit, Melbourne School of Population and Global Health, The University of Melbourne…”

“…Department of Nursing and Department of Midwifery, Faculty of Health Sciences, Alma Ata University…”

“…Pan American Health Organization ; Also distributed by Scientific Electronic Library Online…”

“…Social Determinants of Health Research Center, Shahid Beheshti University of Medical Sciences…”

“…Tinnitus Center, the State University of New York, Health Science Center at Brooklyn…”

“…Site is managed by Natural History Museum and Public Health England on behalf of the contributors…”

“…School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences and Health Services…”

“…International Union for Circumpolar Health and the Nordic Society of Arctic Medicine…”

“…Diagnostic and Research Laboratory, Department of Pathology, Liaquat University of Medical & Health Sciences…”

“…Organisation for Economic Co-operation and Development : World Health Organization : World Bank…”

“…Social Development & Health Promotion Research Center, Gonabad University of Medical Sciences…”

“…U.S. Department of Health and Human Services, Office of the Assistant Secretary for Planning and Evaluation…”

“…U.S. Department of Health and Human Services, Office of the Assistant Secretary for Planning and Evaluation…”

“…U.S. Department of Health and Human Services, Office of the Assistant Secretary of Planning and Evaluation…”

“…U.S. Department of Health and Human Services, Office of the Assistant Secretary for Planning and Evaluation…”

“…Blackwell Science ; [Made available by] HealthGate Data Corp…”

“…Duke Evidence-Based Practice Center, Center for Clinical Health Policy Research…”