Klingshirn, H., Grill, E., Bender, A., Strobl, R., Mittrach, R., Braitmayer, K., & Müller, M. (2015). Quality of evidence of rehabilitation interventions in long-term care for people with severe disorders of consciousness after brain injury: A systematic review. Journal of Rehabilitation Medicine, 47(7), 577–585. https://doi.org/10.2340/16501977-1983