Neurociencias Estudios Clinicos S.C., Culiacán, Sinaloa, Mexico
Hospital de La Santa Creu i Sant Pau, Barcelona, Spain
Hospital Universitari i Politecnic La Fe Valencia, Valencia, Spain
Neurology Associates, P. A., Maitland, Florida, United States
Wayne State University (WSU) - Multiple Sclerosis Treatment and Clinical Research Center (MS Center), Detroit, Michigan, United States
Neurology Center of San Antonio, San Antonio, Texas, United States
Royal Brisbane and Women's Hospital, Herston, Queensland, Australia
NKDHC Medical Research Services, LLC, Las Vegas, Nevada, United States
University of Cincinnati Physicians Company, LLC, Cincinnati, Ohio, United States