From the Neurology Department (A.P., P.C., J.-M.T., F.W.), AP-HP, Lariboisière University Hospital; National Reference Centre for Wilson's Disease (A.P., P.C., J.-M.T., F.W.), AP-HP, Lariboisière University Hospital, Paris; Hepatobiliary Centre (R.S., D.C., D.S., J.-C.D.-V.), DHU Hepatinov, UMR-1193, AP-HP, Paul Brousse Hospital, Villejuif; Service de Neurologie (W.G.M.), CHU Bordeaux; Université de Bordeaux (W.G.M.), Institut des Maladies Neurodégénératives, CNRS UMR 5393, France; Department of Medicine (W.G.M.), University of Otago and New Zealand Brain Research Institute (W.G.M.), Christchurch; Hepatology, Gastroenterology and Nutrition Department (A.-S.B., A.L.), Hôpital Femme Mère Enfant, Hospices Civils de Lyon; National Reference Centre for Wilson's Disease (A.-S.B., E.B., C.L., L.L.-F., O.G., A.L.), Hospices Civils de Lyon; Neurology Department (E.B., C.L.), Hôpital Neurologique Pierre-Wertheimer, Hospices Civils de Lyon; CNRS (E.B., C.L.), UMR 5229, Institut des Sciences Cognitives Marc-Jeannerod, Bron; Faculté de Médecine Lyon Sud Charles-Mérieux (E.B., C.L., A.L.), Université Claude-Bernard Lyon 1; Neurology and Paediatrics Department (L.L.-F.), Hôpital Femme Mère Enfant, Hospices Civils de Lyon, Bron; Hepatogastroenterology Department (O.G.), Edouard Herriot Hospital, Hospices Civils de Lyon; Internal Medicine Department (F.M.), National Reference Centre for Inborn Errors of Metabolism, Université François Rabelais; Neurology Department (J.B.), CHRU Bretonneau, Tours; Surgery, Oncology and Liver Transplantation Department (E.S.), CHRU Tours; Hepatology and Gastroenterology Department (C.V.) and Surgery and Liver Transplantation Department (B.H.), CHU Besançon; Neurology and Paediatrics Department (C. Bellesme), AP-HP, Bicêtre University Hospital, Kremlin-Bicetre; Pediatric Hepatology and Pediatric Liver Transplantation Unit (U.H) and National Reference Centre for Rare Pediatric Liver Diseases (U.H), Bicêtre University Hospital, Faculty of Medicine Paris-Sud, University of Paris-Sud 11, DHU Hepatinov, AP-HP, Le Kremlin Bicêtre; INSERM (D.H.), UMR-S1174, Hepatinov, University of Paris Sud 11, Orsay; Hepatology and Gastroenterology Department (C. Bureau) and Neurology Department (F.O.-M.), CHU Toulouse; Centre D'investigation de la Fibrose Hépatique (V.L.), Hôpital Haut-Lévêque, CHU Bordeaux; and INSERM U1053 (V.d.L.), Université de Bordeaux, France. A. Poujois is currently at Neurology Department, Rothschild Foundation Hospital, and National Reference Centre for Wilson's Disease, Rothschild Foundation Hospital, Paris.