[1] Catholic Univ Louvain, Med Urgence, Pl Univ 1,1348 Louvain la Neuve,Belgium Sci,Broadw, New York, NY 10013 USA
[2] Delegat Med Francophones Format Asbl, Grez Doiceau, Belgium
[3] Sci, Broadway 447, New York, NY 10013 USA
[4] Univ Librede Bruxelles, Neurochirurg, Ave Franklin Roosevelt 50, B-1050 Brussels, Belgium
[5] Univ Paris Est Creteil, Sci Chirurg, Ave Gen Gaulle 61, F-94010 Creteil, France