@article{Herrmann:46919,
      author        = "Herrmann, D. and Buck, C. and Sioen, I. and Kouride, Y.
                       and Marild, S. and Molnár, D. and Mouratidou, T. and
                       Pitsiladis, Y. and Russo, P. and Veidebaum, T. and Ahrens,
                       W.",
      title         = "{Impact of physical activity, sedentary behaviour and
                       muscle strength on bone stiffness in 2-10-year-old
                       children-cross-sectional results from the IDEFICS study}",
      year          = "2015",
}