* Division of Neuromuscular Medicine, Department of Neurology, Mayo Clinic, Rochester, Minnesota, U.S.A.;
†Division of Neurology, Department of Medicine, University of Alberta, Edmonton, AB, Canada, U.S.A.; and
‡Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, U.S.A..
Address correspondence and reprint requests to Andrea J. Boon, MD, Mayo Clinic, Department of Physical Medicine and Rehabilitation, 200 First Street Southwest, Rochester, MN 55905, U.S.A.; e-mail: [email protected].
The authors have no funding or conflicts of interest to disclose.
G. Beecher, P. Chompoopong denotes equal contribution.
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