Griffiths, L., Earnest, C. P., Pulsford, R. M., Cortina-Borja, M., Rich, C., Kinnafick, F., & Dezateux, C. (2011). Actigraph Accelerometer-Defined Boundaries for Sedentary Behaviour and Physical Activity Intensities in 7 Year Old Children. PLoS ONE, 6(8), p. e21822. doi:10.1371/journal.pone.0021822

Griffiths, Lucy, Conrad P. Earnest, Richard M. Pulsford, Mario Cortina-Borja, Carly Rich, Florence-Emilie Kinnafick, and Carol Dezateux. "Actigraph Accelerometer-Defined Boundaries for Sedentary Behaviour and Physical Activity Intensities in 7 Year Old Children." PLoS ONE 6, no. 8 (2011): e21822.

Griffiths, Lucy, et al. "Actigraph Accelerometer-Defined Boundaries for Sedentary Behaviour and Physical Activity Intensities in 7 Year Old Children." PLoS ONE 6.8 (2011): e21822.