Weather and children's physical activity; how and why do relationships vary between countries?
Harrison F, Goodman A, van Sluijs EMF, Andersen LB, Cardon G, Davey R, Janz KF, Kriemler S, Molloy L, Page AS, Pate R, Puder JJ, Sardinha LB, Timperio A, Wedderkopp N, Jones AP, and International Childrens Accelerometry Database (ICAD) Collaborators
The international journal of behavioral nutrition and physical activity. Oct 2016
(DOI : 10.1186/s12966-017-0526-7)