1 AP-HP, Department of Psychiatry, Pitié-Salpêtrière Hospital, 47-83 Boulevard de l'Hôpital, 75013 Paris, France.
2 AP-HP, Department of Psychiatry, Pitié-Salpêtrière Hospital, 47-83 Boulevard de l'Hôpital, 75013 Paris, France. Electronic address: jeanyves.rotge@aphp.fr.