Corrigendum to "Longitudinal Screening Detects Cognitive Stability and Behavioral Deterioration in ALS Patients". (4th December 2019) - Woolley, Susan; Goetz, Ray; Factor-Litvak, Pam; Murphy, Jennifer; Hupf, Jonathan; Garofalo, Diana C.; Lomen-Hoerth, Catherine; Andrews, Howard; Heitzman, Daragh; Bedlack, Richard; Katz, Jonathan; Barohn, Richard; et al.