TY - JOUR AU - Finkelstein, E A; Haaland, B A; Bilger, M TI - Effectiveness of activity trackers with and without incentives to increase physical activity (TRIPPA): a randomised controlled trial JO - Lancet Diabetes Endocrinol VL - 4 PY - 2016 DO - 10.1016/S2213-8587(16)30284-4 L3 - PubMed-ID: 27717766 SP - 983 EP - 995 ER -