[1] Univ British Columbia, Dept Med Genet, 950 West 28th Ave, Vancouver, BC V5Z 4H4, Canada
[2] British Columbia Childrens Hosp, Res Inst, Vancouver, BC, Canada
[3] HUSLAB, Helsinki Univ Hosp, Dept Clin Genet, Helsinki, Finland
[4] Univ Hong Kong, Dept Paediat & Adolescent Med, Hong Kong, Peoples R China
[5] Dept Hlth, Clin Genet Serv, Hong Kong, Peoples R China
[6] Porto Hosp Ctr, Med Genet Ctr Dr Jacinto de Magalhaes, Med Genet Serv, Porto, Portugal
[7] Hosp Sick Children, Program Genet & Genome Biol, Toronto, ON, Canada
[8] Hosp Sick Children, Div Clin & Metab Genet, Toronto, ON, Canada
[9] Univ Toronto, Dept Pediat, Toronto, ON, Canada
[10] Univ Toronto, Inst Med Sci, Toronto, ON, Canada
[11] British Columbia Childrens Hosp, Dept Med Genet, Vancouver, BC, Canada
[12] Univ Colorado, Childrens Hosp Colorado, Dept Pediat, Sect Genet & Metab, Anschutz Med Campus, Aurora, CO USA
[13] Univ Calif San Diego, Dept Pediat, San Diego, CA 92103 USA
[14] Rady Childrens Hosp San Diego, Genet Dysmorphol, San Diego, CA USA
[15] Emory Univ, Sch Med, Dept Human Genet, Atlanta, GA USA
[16] GeneDx, Clin Genom, Gaithersburg, MD USA
[17] Canadas Michael Smith Genome Sci Ctr, Vancouver, BC, Canada
[18] British Columbia Canc Agcy, Vancouver, BC, Canada
[19] Simon Fraser Univ, Dept Mol Biol & Biochem, Burnaby, BC, Canada
[20] Univ British Columbia, Dept Radiol, Vancouver, BC, Canada
[21] Surrey Mem Hosp, Diagnost & Med Imaging Serv, Surrey, BC, Canada
[22] St Louis Univ, Sch Med, Dept Pediat, Div Med Genet, St Louis, MO 63104 USA