L. L. Laslett J. N. Whitham C. Gibb T. K. Gill J. A. Pink J. D. McNeil

ali vafaee najar associate professor, health services management, health sciences research center, department of health and management, school of health, mashhad university of medical sciences, mashhad, iran hassan ghane msc, health services management, school of health, mashhad university of medical sciences, mashhad, iran hossein ebrahimipour associate professor, health services management, health sciences research center, department of health and management, school of health, mashhad university of medical sciences, mashhad, iran golam abbas nouri msc, health services management, imam reza hospital administrator, school of health, mashhad university of medical sciences, mashhad, iran bita dadpour md, internist, clinical toxicologist, assistant professor, imam reza hospital, mashhad university of medical sciences, mashhad, iran