[1] McGill Univ, Hlth Ctr, Translat Res Resp Dis Program, Resp Epidemiol & Clin Res Unit, Montreal, PQ, Canada
[2] McGill Univ, Hlth Ctr, Resp Div, 1001 Decarie, Montreal, PQ H4A 3J1, Canada
[3] McGill Univ, Hlth Ctr, Sleep Lab, Montreal, PQ, Canada
[4] McGill Univ, Dept Pediat, Montreal, PQ, Canada
[5] McGill Univ, Pediat Sleep Lab, Montreal, PQ, Canada
[6] McGill Univ, Hlth Ctr, Res Inst, Meakins Christie Labs,Translat Res Resp Dis Progr, Montreal, PQ, Canada