Research Site, Birmingham, United Kingdom
Research Site, Viterbo, Italy
University of Florida - Clinical Research Center, Gainesville, Florida, United States
University of Iowa Children's Hospital, Iowa City, Iowa, United States
University of California, Los Angeles Neurology Clinic, Los Angeles, California, United States
Helen Hayes Hospital, West Haverstraw, New York, United States
Research Site, West Haverstraw, New York, United States
Muenster University Hospital (Universitätsklinikum Muenster), Munster, Germany
Kinderkrankenhaus Wilhelmstift, Dermatologie, Hamburg, Germany
Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
Research Site, Glendale, California, United States
Research Site, Prahran, Victoria, Australia
Research Site, Leiden, Netherlands
University of Alabama at Birmingham, Birmingham, Alabama, United States
Research Site, Amsterdam, Netherlands
Wake Forest University Health Sciences, Winston-Salem, North Carolina, United States