[1] Weill Cornell Med, New York, NY USA
[2] Nationwide Childrens Hosp, Columbus, OH USA
[3] Stanford Univ, Sch Med, Palo Alto, CA 94304 USA
[4] Univ Iowa Hosp, Iowa City, IA USA
[5] Childrens Hosp, Med Ctr Akron, Akron, OH 44308 USA
[6] Childrens Hosp Philadelphia, Philadelphia, PA 19104 USA
[7] Boston Childrens Hosp, Dept Neurol, 300 Longwood Ave, Boston, MA 02115 USA
[8] Univ Calif Los Angeles, Mattel Childrens Hosp, Los Angeles, CA USA
[9] Univ Michigan Pediat Neurol, Ann Arbor, MI USA
[10] Cook Childrens Med Ctr, Ft Worth, TX USA
[11] Childrens Hosp Colorado, Aurora, CO USA
[12] Boston Childrens Hlth Phys, Hartsdale, NY USA
[13] Mayo Clin, Rochester, MN USA
[14] Univ Hosp Rainbow Babies & Childrens Hosp, Cleveland, OH USA
[15] Childrens Natl Hosp, Washington, DC USA
[16] Childrens Hosp Orange Cty, Orange, CA 92668 USA
[17] Levine Childrens Hosp Atrium Hlth Syst, Charlotte, NC USA
[18] Montefiore Med Syst, Bronx, NY USA
[19] Univ Texas Southwestern Med Ctr Southwestern, Dallas, TX USA