Physical Activity Monitoring Using Wearable Devices in Young Adults: Secondary Analysis of a 6-Month Motivational Interviewing Pilot Randomized Controlled Trial. - Christodoulakis N; Incze T; Khademioore S; Kwan M; Alvarez E; Tarride JÉ; Mbuagbaw L; Anderson LN (JMIR formative research, 2026)