Understanding Long-Term Adoption and Usability of Wearable Activity Trackers Among Active Older Adults. - Byung Cheol Lee; Toyin D. Ajisafe; Tri Van Thanh Vo; Junfei Xie (HCI (27), 2019)

Predicting Daily Physical Activity Level for Older Adults Using Wearable Activity Trackers. - Yaqian Zheng; Junfei Xie; Tri Van Thanh Vo; Byung Cheol Lee; Toyin Ajisafe (HCI (28), 2019)