[1] Univ Montreal, Dept Pediat, Montreal, PQ, Canada
[2] Univ Montreal, Dept Social & Prevent Med, Montreal, PQ, Canada
[3] Univ Montreal, Dept Prevent Med, Montreal, PQ, Canada
[4] Peninsula Res Associates, Rolling Hills Estates, CA USA
[5] Univ Bielefeld, Dept Pediat, Childrens Ctr Bethel, Bielefeld, Germany
[6] Hosp Valle De Hebron, Barcelona, Spain
[7] Regeneron Pharmaceut Inc, Tarrytown, NY USA
[8] Sanofi, Bridgewater, NJ USA
[9] Sanofi, Paris, France