Pain Perception in Unresponsive Wakefulness Syndrome May Challenge the Interruption of Artificial Nutrition and Hydration: Neuroethics in Action - Riganello, Francesco; Macrì, Simone; Alleva, Enrico; Petrini, Carlo; Soddu, Andrea; Leòn-Carriòn, Josè; Dolce, Giuliano (Frontiers in Neurology, 2016)