How accurate are the wrist-based heart rate monitors during walking and running activities? Are they accurate enough?Sarah E. Stahl, Jung Min Lee, Danae Dinkel et al.|BMJ Open Sport & Exercise Medicine|2016Cited by 289
Concurrent Validity of Wearable Activity Trackers Under Free-Living ConditionsSkyler Brooke, Jung Min Lee, Hyun-Sung An et al.|The Journal of Strength and Conditioning Research|2016Cited by 93