James F Meschia1
& V Shane Pankratz21
James F. Meschia is in the Department of Neurology, Mayo Clinic, Cannaday Building, 2 East, Jacksonville, Florida 32224, USA. Meschia.james@mayo.edu
2
V. Shane Pankratz is in the Division of Biostatistics, Mayo Clinic, Rochester, Minnesota, 55905 USA.