Accepted for Publication: June 8, 2012.
Published Online: October 29, 2012. doi:10.1001/jamaneurol.2013.576
Author Contributions:Study concept and design: Quinn, McKinstry, Casella, Roach, Hirtz, and DeBaun. Acquisition of data: Quinn, McKinstry, Dowling, Ball, Casella, Dlamini, Ichord, Jordan, Kirkham, Noetzel, Roach, Strouse, Kwiatkowski, and DeBaun. Analysis and interpretation of data: Quinn, McKinstry, Dowling, Ball, Kraut, Casella, Jordan, Kirkham, Strouse, Kwiatkowski, Hirtz, and DeBaun. Drafting of the manuscript: Quinn, Ball, Casella, and DeBaun. Critical revision of the manuscript for important intellectual content: Quinn, McKinstry, Dowling, Ball, Kraut, Casella, Dlamini, Ichord, Jordan, Kirkham, Noetzel, Roach, Strouse, Kwiatkowski, Hirtz, and DeBaun. Statistical analysis: Quinn. Obtained funding: McKinstry, Casella, Noetzel, and DeBaun. Administrative, technical, and material support: McKinstry, Dowling, Ball, Casella, Roach, Kwiatkowski, Hirtz, and DeBaun. Study supervision: McKinstry, Kirkham, Noetzel, Kwiatkowski, and DeBaun.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by grant U01-NS42804 from the National Institutes of Health.
Additional Contributions: We thank the following collaborators: Michele Afif, MD, Central Middlesex Hospital, London, England; Gladstone Airewele, MD, Baylor College of Medicine, Houston, Texas; Brian Berman, MD, Case Western Reserve University, Cleveland, Ohio; Françoise Bernaudin, Hôpital Intercommunal de Créteil, Créteil, France; Ana Burgos, MD, Children's National Medical Center, Washington, DC; Charles Daeschner, MD, The Brody School of Medicine, Greenville, North Carolina; Mark Heiny, MD, Indiana University–Purdue University Indianapolis; Thomas Howard, MD, University of Alabama at Birmingham, Birmingham; Baba Inusa, MD, Guy's and St. Thomas' Hospital, London, England; Rathi V. Iyer, MD, University of Mississippi Medical Center, Jackson; Karen Kalinyak, MD, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Allison King, MD, MPH, Washington University School of Medicine, St. Louis, Missouri; Melanie Kirby-Allen, MD, The Hospital for Sick Children, Toronto, Ontario; Fenella Kirkham, MD, University College London Institute of Child Health, London, England; Julie Panepinto, MD, MPH, Medical College of Wisconsin, Milwaukee; Mark Ranalli, MD, The Ohio State University, Columbus; Rupa Redding-Lallinger, MD, University of North Carolina at Chapel Hill; Hernan Sabio, MD, Wake Forest School of Medicine, Winston-Salem, North Carolina; Suzanne Saccente, MD, University of Arkansas, Little Rock; Ingrid Sarnaik, MD, Wayne State University, Detroit, Michigan; Paul Telfer, MD, The Royal London Hospital, London, England; Alexis Thompson, MD, Northwestern University, Chicago, Illinois; and Gerald Woods, MD, University of Missouri–Kansas City.