[1] Univ Rennes 1, CHU Rennes, Dept Internal Med, Rennes, France
[2] Univ Rennes, CHU Rennes, INSERM, EHESP,Irset,UMR S 1085, F-35000 Rennes, France
[3] Pontchaillou Univ Hosp, Dept Internal Med, 2 Rue Henri Le Guilloux, F-35033 Rennes 9, France
[4] Univ Rennes 1, CHU Rennes, Pharmacoepidemiol & Access Hlth Care,INSERM, Dept Dermatol,CIC1414,UPRES EA REPERES 7449, Rennes, France
[5] French Sch Publ Hlth, Rennes, France
[6] Univ Rennes 1, CHU Rennes, Dept Pathol, Rennes, France