1. Dartmouth‐Hitchcock Medical Center Lebanon New Hampshire USA
2. University of Miami Miller School of Medicine Miami Florida USA
3. Center for ALS and Related Disorders Cleveland Clinic Cleveland Ohio USA
4. Larner College of Medicine University of Vermont Burlington Vermont USA
5. Ohio Health Physician Group Westerville Ohio USA
6. Department of Neurology Ohio State University Wexner Medical Center Columbus Ohio USA
7. Dayton Center for Neurological Disorders Dayton Ohio USA
8. Department of Neurology University Hospital Cleveland Medical Center/Case Western Reserve University Cleveland Ohio USA
9. Riverhills Neuroscience Cincinnati Ohio USA
10. ALS Care Project Canton Ohio USA
11. Department of Biomedical Data Science Dartmouth College Hanover New Hampshire USA
12. Centers for Disease Control and Prevention (CDC) Agency for Toxic Substances and Disease Registry (ATSDR) Atlanta Georgia USA