[1] Poissy St Germain Hosp, Poissy, France
[2] Univ Lille 2, EA 4489, Lille, France
[3] Antoine Bclre Hosp, AP HP, Clamart, France
[4] La Concept Hosp, Marseille, France
[5] Mre Enfant Hosp, Nantes, France
[6] Paris Diderot Univ, St Louis Hosp, AP HP, Dept Biostat,UMR S717, Paris, France
[7] INSERM, Paris, France
[8] Cochin Port Royal St Vincent Paul Hosp, AP HP, Paris, France