Feasibility and acceptability for LION, a fully remote, randomized clinical trial within the VA for light therapy to improve sleep in Veterans with and without TBI: An MTBI2 sponsored protocol - Jonathan E. Elliott; Jessica S. Brewer; Allison T. Keil; Brittany R. Ligman; Mohini D. Bryant-Ekstrand; Alisha A. McBride; Katherine Powers; Savanah J. Sicard; Elizabeth W. Twamley; Maya E. O’Neil; Andrea D. Hildebrand; Thuan Nguyen; et al. (PLoS ONE)