1 Addictovigilance Center, University Hospital of Montpellier, 34000 Montpellier, France.
2 Department of Addictology, University Hospital of Montpellier, 34000 Montpellier, France.
3 Department of Addictology, University Hospital of Montpellier, 34000 Montpellier, France; PCCEI, Inserm, CHU de Montpellier, University of Montpellier, University of Antilles, 34000 Montpellier, France.
4 Addictovigilance Center, University Hospital of Montpellier, 34000 Montpellier, France; PCCEI, Inserm, CHU de Montpellier, University of Montpellier, University of Antilles, 34000 Montpellier, France. Electronic address: h-peyriere@chu-montpellier.fr.