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Dalene, Knut Eirik, Sigmund A. Anderssen, Lars Bo Andersen, Jostein Steene-Johannessen, Ulf Ekelund, Bjørge H. Hansen, and Elin Kolle. "Cross-sectional and Prospective Associations between Sleep, Screen Time, Active School Travel, Sports/exercise Participation and Physical Activity in Children and Adolescents." BMC Public Health 2018.

Dalene, Knut Eirik, et al. "Cross-sectional and Prospective Associations between Sleep, Screen Time, Active School Travel, Sports/exercise Participation and Physical Activity in Children and Adolescents." BMC Public Health 2018.