1. Department of NeurologyMayo Clinic200 First Street SW, Rochester Minnesota55905 USA
2. Department of Laboratory Medicine & PathologyMayo ClinicRochester Minnesota USA
3. Department of Clinical GenomicsMayo ClinicRochester Minnesota USA
4. Department of Pathology University of IowaIowa CityIowa USA
5. Department of NeurologyUniversity of IowaIowa City Iowa USA
6. Department of Biochemistry & Molecular BiologyMayo ClinicRochester Minnesota USA