Adam, S. [P:(DE-HGF)0] ; Diener, E-M [P:(DE-HGF)0] ; Schmid, H-P [P:(DE-HGF)0] ; Arndt, Volker [P:(DE-He78)d023fdf423d87ee6c710e34dd7581fa0] ; Cohort, :Study Protocol of the Swiss Multiregional [P:(DE-HGF)0]