[1] Hop Necker Enfants Malad, Clin Chirurg Infantile, F-75743 Paris 15, France
[2] Hop Trousseau, Serv Chirurg Infantile, F-75012 Paris, France
[3] Hop Necker Enfants Malad, Serv Gastroenterol Pediat, F-75743 Paris, France
[4] Hop Necker Enfants Malad, Serv Reanimat Infantile, F-75743 Paris, France