GNAO1-related movement disorder with life-threatening exacerbations: movement phenomenology and response to DBS. Issue 2 (1st July 2017) - Waak, Michaela; Mohammad, Shekeeb S; Coman, David; Sinclair, Kate; Copeland, Lisa; Silburn, Peter; Coyne, Terry; McGill, Jim; O'Regan, Mary; Selway, Richard; Symonds, Joseph; Grattan-Smith, Padraic; et al.