In the evening, the President will attend three campaign events at the Franklin Institute in Philadelphia.

WHITEHOUSE: Vice President's Schedule

Neurologist Samuel Hunter at the Advanced Neurosciences Institute in Franklin, Tennessee, noted in a February 14 article in the Financial Times that there is extensive patient data compiled on Gilenya and that the response of the EMA and Health Canada is likely an overreaction to recent deaths.

FORBES: The Data On Drugs' Side Effects Must Be Reliable

Professor Robin Franklin, a regeneration biologist at the Wellcome Trust-MRC Stem Cell Institute and report co-author, said: 'Our findings are extremely exciting because they show for the first time that transplanting these types of cell into a severely damaged spinal cord can bring about significant improvement.

BBC: Nose cell transplant enables paralysed dogs to walk