TY - JOUR AU - O’Reilly, G; Spruijt-Metz, D TI - Current mHealth technologies for physical activity assessment and promotion JO - Am J Prev Med IS - S04 VL - 45 PY - 2013 DO - 10.1016/j.amepre.2013.05.012 L3 - PubMed-ID: 24050427 SP - 501 EP - 507. ER -