[1] Hop Edouard Herriot, Dept Radiol, Lyon, France
[2] Univ Lyon 1, F-69365 Lyon, France
[3] Hop Edouard Herriot, Dept Neonatol, Lyon, France
[4] Hop Edouard Herriot, Dept Rheumatol & Bone Dis, Lyon, France
[5] Hop Edouard Herriot, Dept Pediat Nephrol, Lyon, France