Multiple sclerosis affects approximately 400,000 people across the United States and over 2 million people worldwide. [Munoz-Culla 2013; Buchanan 2011] Symptoms of MS include focal signs such as weak motor and sensory deficits, visual disorders, spasticity, bladder and bowel dysfunction, and dysphagia, as well as generalized symptoms, including depression, pain, cognitive difficulties, and fatigue. [Kahn...