1 Neurology department, AP-HP, Lariboisière university hospital, 75010 Paris, France; National reference centre for Wilson's disease, AP-HP, Lariboisière university hospital, 75010 Paris, France. Electronic address: aurelia.poujois@aphp.fr.
2 Neurology department, AP-HP, Lariboisière university hospital, 75010 Paris, France; National reference centre for Wilson's disease, AP-HP, Lariboisière university hospital, 75010 Paris, France.