Tracking digital ulcers in systemic sclerosis: a feasibility study assessing lesion area in patient-recorded smartphone photographs. Issue 9 (3rd February 2018) - Dinsdale, Graham; Moore, Tonia L; Manning, Joanne B; Murray, Andrea K; Atkinson, Ross; Ousey, Karen; Dickinson, Mark R; Taylor, Christopher; Herrick, Ariane L