Vanderbilt University Medical Center, Nashville, Tennessee, United States
Central Texas Neurology Consultants, Round Rock, Texas, United States
Groupe Hospitalier Pellegrin, Bordeaux, France
Hospital Universitari de Bellvitge, Barcelona, Spain
UMC Utrecht, Utrecht, Netherlands
CHU Nice, Nice, France
Hôpital de la Salpêtrière, Paris, France
Niakhar Center IRD, Dakar, Senegal
Complexo Hospitalario Universitario A Coruña, A Coruña, Spain
Hospital Universitari Vall d'Hebron, Barcelona, Spain
Hospital Universitario Virgen del Rocío, Sevilla, Spain
Central Alabama Research, Birmingham, Alabama, United States
Meridien Research, St. Petersburg, Florida, United States
Diagnostics Research Group, San Antonio, Texas, United States
Ferrer Internacional S.A., Barcelona, Spain
Caparra Internal Medicine Center, Rio Grande, Puerto Rico