1. Multiple Sclerosis Center of California & Research Group, Laguna Hills, CA, USA
2. Neurology Center of Fairfax, Ltd, Fairfax, VA, USA
3. Riverhills Neuroscience, Cincinnati, OH, USA
4. Orlando Health Multiple Sclerosis Comprehensive Care Center, Orlando, FL, USA
5. Trinity Life Sciences, Waltham, MA, USA
6. Biogen, Cambridge, MA, USA