[1] Univ Alberta, Edmonton Clin Hlth Acad 5 513, Div Pediat Dent, Edmonton, AB T6G 1C9, Canada
[2] Univ Alberta, Edmonton Gen Continuing Care Ctr, Div Pediat, Pediat Ctr Weight & Hlth, Edmonton, AB T5K 0L4, Canada
[3] Univ Alberta, Edmonton Clin Hlth Acad 5 095B, Div Pediat Dent, Edmonton, AB T6G 1C9, Canada