Response to "assessment of risk of ALS conferred by the GGGGCC hexanucleotide expansion in C9orf72 among first-degree relatives of patients with ALS carrying the repeat expansion". - Dratch, Laynie; Kinnamon, Daniel D.; Harrington, Elizabeth A.; Goldman, Jill; Fong, Jamie C.; Jones, Tara; Uhlmann, Wendy R.; Roggenbuck, Jennifer (Amyotrophic Lateral Sclerosis & Frontotemporal Degeneration, 2024)