mHealth and wearable technology should replace motor diaries to track motor fluctuations in Parkinson's disease. - Michael Kelley Erb; Daniel R. Karlin; Bryan Ho; Kevin Thomas 004; Federico Parisi; Gloria P. Vergara-Diaz; Jean-Francois Daneault; Paul W. Wacnik; Hao Zhang 090; Tairmae Kangarloo; Charmaine Demanuele; Chris R. Brooks; et al. (npj Digit. Medicine, 2020)