Domains of physical activity and brain volumes: A population-based study. - Carmen Jochem; Sebastian E. Baumeister; Katharina Wittfeld; Michael F. Leitzmann; Martin Bahls; Ulf Schminke; Marcello R. P. Markus; Stephan B. Felix; Henry Völzke; Katrin Hegenscheid; Marcus Dörr; Hans Jörgen Grabe (NeuroImage, 2017)