I would like to acknowledge that the following references were useful in the preparation of this blog post and you may find them helpful.
Whitehead, L., 2009. The measurement of fatigue in chronic illness: a systematic review of unidimensional and multidimensional fatigue measures. Journal of pain and symptom management, 37(1), pp.107-128.
Richardson, J., Loyola-Sanchez, A., Sinclair, S., Harris, J., Letts, L., MacIntyre, N.J., Wilkins, S., Burgos-Martinez, G., Wishart, L., McBay, C. and Martin Ginis, K., 2014. Self-management interventions for chronic disease: a systematic scoping review. Clinical rehabilitation, 28(11), pp.1067-1077.
Chaudhuri, A. and Behan, P.O., 2004. Fatigue in neurological disorders. The lancet, 363(9413), pp.978-988.