Control group: There was no intervention
Sponsors
Vice chancellor for research, University of Social Welfare and Rehabilitation sciences, Vice chancellor for research, Islamic Azad University Tehran Medical Branch, Vice chancellor for research, Islamic Azad University Isfahan (Khorasgan) Branch
Conditions
Coronary heart disease.
Diseases of arteries, arterioles and capillariesMultiple sclerosis.
Demyelinating diseases of the central nervous systemTracheostomy.
Tracheostomy status