[1] Univ Lille 2, Ctr Hosp Reg Univ Lille, Hop Jeanne de Flandre, Serv Gynecol Obstet, F-59037 Lille, France
[2] Univ Lille 2, Ctr Hosp Reg Univ Lille, Hop Claude Huriez, Serv Med Interne, F-59037 Lille, France
[3] Univ Lille 2, Ctr Hosp Reg Univ Lille, Hop Jeanne de Flandre, Dept Anesthesie & Reanimat, F-59037 Lille, France