Funding for this research was provided by:
ZonMw (200.600.001, 200.600.001, 200.600.001, 200.600.001)
National Heart, Lung, and Blood Institute (R01HL116381)
British Heart Foundation (FS/12/58/29709)
Medical Research Council (MC_UU_12015/3, MC_UU_12015/3)
First Online: 10 December 2016
Compliance with Ethical Standards
: The original studies were funded by the Norwegian Directorate of Health and the Norwegian School of Sport Sciences; the Portuguese Institute of Sport; a grant from the Stockholm County Council; and grants from the Swedish Council for Working Life and Social Research, and The Swedish Research Council for Environment, Agricultural Sciences, and Spatial Planning. AL, JL, JB and HvdP were supported by the Netherlands Organisation for Health Research and Development (Grant no. 200.600.001). KS was supported by the National Heart, Lung, And Blood Institute of the National Institutes of Health (award no. R01HL116381). The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. KW was supported by the British Heart Foundation (Grant FS/12/58/29709). KW and SB were supported by the UK Medical Research Council (Grant MC_UU_12015/3).
: Anne Loyen, Alexandra M. Clarke-Cornwell, Sigmund A. Anderssen, Maria Hagströmer, Luís B. Sardinha, Kristina Sundquist, Ulf Ekelund, Jostein Steene-Johannessen, Fátima Baptista, Bjørge H. Hansen, Katrien Wijndaele, Søren Brage, Jeroen Lakerveld, Johannes Brug and Hidde P. van der Ploeg declare that they have no conflicts of interest.
: All procedures performed in the original studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the original studies.