1. Specialised Nurse, Addictive Disorders Unit, University Hospital of Brest, Brest, France
2. EA Soins primaires, Santé publique, Registre des cancers de Bretagne Occidentale (SPURBO), Family Practice Department, Université Bretagne Occidentale, Brest, France
3. Geriatric Service, Université Occidentale, Brest, France
4. Addictive Disorders Unit, University Hospital of Nantes, Nantes, France
5. EA SPURBO, Université Bretagne Occidentale, Brest, France
6. Director of ERCR SPURBO, Université Bretagne Occidentale, Brest, France
7. EA SPURBO, Addiction Disorders Department, Université Bretagne Occidentale, Brest, France