[1]Childrens Hosp Philadelphia, Div Neurol, Philadelphia, PA 19104 USA;
[2]Univ Tubingen, Hertie Inst Clin Brain Res, Dept Neurol & Epileptol, D-72076 Tubingen, Germany;
[3]Univ Calgary, Hotchkiss Brain Inst, Dept Physiol & Pharmacol, Calgary, AB T2N 1N4, Canada;
[4]Univ Calgary, Alberta Childrens Hosp Res Inst, Calgary, AB T2N 1N4, Canada;
[5]Univ Washington, Div Med Genet, Seattle, WA 98195 USA;
[6]Grp Hosp Pitie Salpetriere, AP HP, Ctr Reference Deficiences Intellectuelles Causes, Dept Genet, F-75013 Paris, France;
[7]Sorbonne Univ, GHUEP Hop Trousseau, GRC Deficience Intellectuelle & Autisme, F-75013 Paris, France;
[8]Sorbonne Univ, Hop Enfants Armand Trousseau, AP HP,Dept Genet & Embryol Med,Ctr Reference Defi, GRC 19,Pathol Congenitales Cervelet LeucoDystroph, F-75012 Paris, France;
[9]Sorbonne Univ, Hop Enfants Armand Trousseau,Inserm,U1141, AP HP,Serv Neuropediat,Ctr Reference Deficits Int, GRC 19,Pathol Congenitales Cervelet LeucoDystroph, F-75012 Paris, France;
[10]Odense Univ Hosp, Dept Clin Genet, DK-5000 Odense, Denmark;
[11]Odense Univ Hosp, HC Andersen Childrens Hosp, DK-5000 Odense, Denmark;
[12]Radboud Univ Nijmegen, Dept Human Genet, Med Ctr, NL-6525 Nijmegen, Netherlands;
[13]Stichting Epilepsie Instellingen Nederland, NL-8025 Zwolle, Netherlands;
[14]Kempenhaeghe, Dept Neurol, Acad Ctr Epileptol, NL-5591 Heeze, Netherlands;
[15]Maastricht UMC, NL-5591 Heeze, Netherlands;
[16]Univ Arizona, Coll Med, Phoenix Childrens Hosp, Barrow Neurol Inst,Dept Child Hlth, Phoenix, AZ 85013 USA;
[17]Univ Arizona, Coll Med, Phoenix Childrens Hosp, Barrow Neurol Inst,Dept Genet, Phoenix, AZ 85013 USA;
[18]Univ Arizona, Coll Med, Phoenix Childrens Hosp, Barrow Neurol Inst,Dept Neurol, Phoenix, AZ 85013 USA;
[19]Univ Arizona, Coll Med, Phoenix Childrens Hosp, Barrow Neurol Inst,Dept Cellular & Mol Med, Phoenix, AZ 85013 USA;
[20]Phoenix Childrens Hosp, Div Genet & Metab, Phoenix, AZ 85016 USA;
[21]Yale Sch Med, New Haven, CT 06510 USA;
[22]Penteli Childrens Hosp, Dept Pediat Neurol, Athens 15236, Greece;
[23]Fudan Univ, Inst Biomed Sci, Shanghai 201102, Peoples R China;
[24]Fudan Univ, Childrens Hosp, Shanghai 201102, Peoples R China;
[25]Gothenburg Univ, Sahlgrenska Acad, Perinatal Ctr, S-41346 Gothenburg, Sweden;
[26]Hosp Zhengzhou Univ, Zhengzhou 450001, Henan, Peoples R China;
[27]Univ Melbourne, Epilepsy Res Ctr, Dept Med, Austin Hlth, Heidelberg, Vic 3084, Australia;
[28]Mayo Clin, Dept Hlth Sci Res, Rochester, MN 55905 USA;
[29]Mayo Clin, Coll Med, Dept Neurol, Rochester, MN 55905 USA;
[30]Mayo Clin, Ctr Individualized Med, Rochester, MN 55905 USA;
[31]Mayo Clin, Dept Clin Genom, Rochester, MN 55905 USA;
[32]Univ Illinois, Coll Med Peoria, Chicago Coll Med, Peoria, IL 61605 USA;
[33]Univ Adelaide, Royal Adelaide Hosp, Adult Genet Unit, Adelaide, SA 5000, Australia;
[34]Univ Adelaide, Sch Med, Adelaide, SA 5000, Australia;
[35]Univ Adelaide, Womens & Childrens Hosp, Dept Neurol, Adelaide, SA 5006, Australia;
[36]Univ Adelaide, Adelaide Med Sch, Robinson Res Inst, Adelaide, SA 5006, Australia;
[37]CeGaT, D-72076 Tubingen, Germany;
[38]Univ Tubingen, Dept Human Genet, D-72076 Tubingen, Germany;
[39]Boston Childrens Hosp, Div Genet & Genom, Boston, MA 02115 USA;
[40]Boston Childrens Hosp, Dept Neurol, Boston, MA 02115 USA;
[41]Harvard Med Sch, Dept Pediat, Boston, MA 02215 USA;
[42]Hackensack Univ Med Ctr, Northeast Reg Epilepsy Grp, Hackensack, NJ 07601 USA;
[43]Univ Louisville, Louisville, KY 40292 USA;
[44]Childrens Hosp Wisconsin, Milwaukee, WI 53226 USA;
[45]Univ Utah, Dept Pediat, Div Med Genet, Salt Lake City, UT 84113 USA;
[46]Univ Utah, Div Pediat Neurol, Dept Pediat, Salt Lake City, UT 84113 USA;
[47]Univ Utah, Div Pediat Neurol, Dept Neurol, Salt Lake City, UT 84113 USA;
[48]ARUP Labs, Salt Lake City, UT 84108 USA;
[49]CHOC Childrens Hosp, Div Metab Disorders, Orange, CA 92868 USA;
[50]Univ Calif Irvine, Sch Med, Dept Pediat, Irvine, CA 92617 USA;
[51]Univ Auckland, Ctr Brain Res, Auckland 1142, New Zealand;
[52]Univ Auckland, Sch Biol Sci, Auckland 1142, New Zealand;
[53]Starship Childrens Hlth, Dept Neurol, Auckland 1023, New Zealand;
[54]Univ Otago Wellington, Dept Paediat & Child Hlth, Wellington 6242, New Zealand;
[55]Karolinska Univ Hosp, Dept Clin Genet, S-17176 Stockholm, Sweden;
[56]Karolinska Inst, Dept Mol Med & Surg, S-17177 Stockholm, Sweden;
[57]Univ Florence, Azienda Osped Univ Meyer, Dept Neurosci, I-50139 Florence, Italy;
[58]Greenwood Genet Ctr, Greenwood, SC 29646 USA;
[59]Sanford Hlth, Med Genet, Bemidji, MN 56601 USA;
[60]Sanford Hlth, Med Genet, Fargo, ND 58102 USA;
[61]Boston Childrens Hosp, Dept Neurol, Epilepsy Genet Program, Boston, MA 02115 USA;
[62]Harvard Med Sch, Dept Neurol, Boston, MA 02215 USA;
[63]Univ Cambridge, NHS Blood & Transplant Ctr, Dept Haematol, Cambridge CB2 0QQ, England;
[64]Cambridge Univ Hosp NHS Fdn Trust, NIHR BioResource Rare Dis, Cambridge Biomed Campus, Cambridge CB2 0QQ, England;
[65]Royal Devon & Exeter NHS Fdn Trust, Clin Genet, Exeter EX2 5DW, Devon, England;
[66]Royal Devon & Exeter NHS Fdn Trust, Dept Neurol, Exeter EX2 5DW, Devon, England;
[67]Univ Cambridge, Cambridge Inst Med Res, Dept Med Genet, Cambridge CB2 0XY, England;
[68]Leeds Teaching Hosp NHS Trust, Chapel Allerton Hosp, Yorkshire Reg Genet Serv, Leeds LS7 4SA, W Yorkshire, England;
[69]Univ Manchester, Fac Biol Med & Hlth, Sch Biol Sci, Div Evolut & Genom Sci, Manchester M13 9PL, Lancs, England;
[70]Manchester Univ Fdn NHS Trust, Hlth Innovat, St Marys Hosp, Manchester Ctr Genom Med, Manchester M13 9WL, Lancs, England;
[71]Manchester Univ Fdn NHS Trust, Royal Manchester Childrens Hosp, Dept Paediat Neurol, Hlth Innovat, Manchester M13 9WL, Lancs, England;
[72]Wellcome Sanger Inst, Cambridge CB10 1SA, England;
[73]Florey Inst, Parkville, Vic 3052, Australia;
[74]Murdoch Childrens Res Inst, Parkville, Vic 3052, Australia;
[75]Univ Melbourne, Dept Paediat, Royal Childrens Hosp, Parkville, Vic 3052, Australia;
[76]Royal Childrens Hosp, Dept Neurol, Parkville, Vic 3052, Australia;
[77]Christian Albrechts Univ Kiel, Dept Neuropediat, D-24105 Kiel, Germany