[1] Nantes Univ Hosp, Nantes, France
[2] Grenoble Univ Hosp, Grenoble, France
[3] Cochin Hosp, Paris, France
[4] Soc Prestataire, Roubaix, France
[5] Actelion, Actel Pharmaceut France, Paris, France
[6] Strasbourg Univ Hosp, Strasbourg, France
[7] Montpellier Univ Hosp, Montpellier, France
[8] Lille Univ Hosp, Lille, France