Pilot Study of Real-World Monitoring of the Heart Rate Variability in Amyotrophic Lateral Sclerosis. - Alexander Brown; Bradley J. Ferguson; Vovanti Jones; Bruce Green; Justin Pearre; Ifeoma Anunoby; David Q. Beversdorf; Richard J. Barohn; Carmen M. Cirstea (Frontiers Artif. Intell., 2022)