References

Bullinger, M., J. Alonso, G. Apolone, A. Leplege and M. Sullivan et al., 1998. Translating health status questionnaires and evaluating their quality: The IQOLA Project approach international quality of life assessment. J. Clin. Epidemiol., 51: 913-923.
PubMed  |  

Darcy, A.U., 2001. Neurological Rehabilitation. 4th Edn., A Harcout Health Sciences Co., Philadelphia, ISBN: 0-323-00936-0, pp: 608.

Deluca, J., 2005. Fatigue as a Window to the Brain. 1st Edn., MIT Press, Combridge, ISBN: 0-262-04227-4, pp: 61.

Freal, J.G., G.H. Kraft and J.K. Coryell, 1984. Symptomatic fatigue in multiple sclerosis. J. Arch. Phys. Med. Rehabil., 5: 135-137.
PubMed  |  

Gandek, B. and J.E. Ware, 1998. Methods for validating and norming translations of health status questionnaires: The IQOLA project approach. J. Clin. Epidemiol., 51: 953-959.
PubMed  |  

Kleinman, L., M.W. Zodet, Z. Hakim, J. Aledort and C. Barker et al., 2000. Psychometric evaluation of the fatigue severity scale for use in chronic hepatits C. J. Qual. Life Res., 9: 499-508.
PubMed  |  

Krupp, L.B., N.G. LaRocca, J. Muir-Nash and A.D. Steinberg, 1989. The fatigue severity scale: Application to patients with multiple sclerosis and lupus erythematosus. J. Arch. Neurol., 46: 1121-1123.
PubMed  |  

Masur, H., K. Papke, A. Althoff and C. Oberwittler, 2004. Scales and Scores in Neurology Quantification of Neurological Deficits in Research and Practice. 2nd Edn., Thieme Publisher, New York, ISBN: 1-58890-130-0, pp: 90.

Montazeri, A., A. Goshtasebi, M. Vahdaninia and B. Gandek, 2005. The short form health survey (SF-36): Translation and validation study of the Iranian version. Qual. Life Res., 14: 875-880.
CrossRef  |  PubMed  |  Direct Link  |  

Montazeri, A., M. Vahdania, M. Ebrahimi and S. Jarvandi, 2003. The hospital and depression scale (HADS): Translation and validation study of the Iranian version. J. Health Qual. Life Outcomes, 1: 14-18.
PubMed  |  

Oveisgharan, S.H., S.H. Shirani, A. Ghorbani, A. Soltanzade, A. Baghaei, S.H. Hosseini and N. Sarrafzadegan, 2006. Barthel index in a middle-east country: Translation, validity and reliability. J. Cerebrovascular Dis., 22: 350-354.
PubMed  |  

Seyedian, M., M. Falah, M. Nourouzian, S. Nejat, A. Delavar and H.A. Ghasemzadeh, 2008. Validity of the farsi version of mini-mental state examination. J. Med. Council I.R.I., 25: 408-414.
Direct Link  |  

Ware, Jr. J.E. and B. Gandek, 1998. Methods for testing data quality, scaling assumptions and reliability: The IQOLA Project approach international quality of life assessment. J. Clin. Epidemiol., 51: 945-952.
PubMed  |