1. Pain Unit, Colmar Civil Hospital, Colmar, France.
2. Palliative Care Mobile Unit, Santé Centre Alsace, Colmar, France.
3. Pain Unit, APHP Lariboisiere Hospital, Paris, France.
4. Palliative Care Unit, Colmar Civil Hospital, Colmar, France.
5. Palliative Care Unit, Hopital Diaconnesse Croix Saint Simon, Paris, France.
6. Pain Unit, Gustave Roussy Institute, Villejuif, France.
7. Palliative Care Mobile Unit, APHP Pitie Salpetriere Hospital, Paris, France.