Lopez-Vicente M, Forns J, Esnaola M, Suades-Gonzalez E, Alvarez-Pedrerol M, Robinson O, Julvez J, Garcia-Aymerich J, Sunye J. Physical activity and cognitive trajectories in schoolchildren. Pediatr Exerc Sci. 2016 Aug;91(8):770-5.
Donnelly DW, Hegarty A, Sharp L, Carsin AE, Deady S, McCluskey N, Comber H, Gavin A. The impact of adjustment for socioeconomic status on comparisons of cancer incidence between two European countries. J Cancer Epidemiol. 2013 Jan 1;2013:612514. doi: 10.1155/2013/612514
Finkelstein EA, Ruhm C, Kosa KM. Economic causes and consequences of obesity. Annu Rev Public Health. 2005;26:239-57.