Original article
A cluster-randomized study aimed at increasing participation rates
Bauer, A; Riemann, J F; Seufferlein, T; Reinshagen, M; Hollerbach, S; Haug, U; Unverzagt, S; Boese, S; Ritter-Herschbach, M; Jahn, P; Frese, T; Harris, M; Landenberger, M
Review article
Storr, C; Sanftenberg, L; Schelling, J; Heininger, U; Schneider, A
