Cluster Randomized Controlled Trial on the Effects of 12 Months of Combined Exercise Training during Hemodialysis in Patients with Chronic Kidney Disease—Study Protocol of the Dial... oleh Gero von Gersdorff, Pia von Korn, André Duvinage, Gabriele Ihorst, Anika Josef, Margit Kaufmann, Thomas Baer, Tim Fellerhoff, Iris Fuhrmann, Elisa Koesel, Sven Zeissler, Lars Bobka, Marion Heinrich, Anette Schindler, Rasmus Weber, Cornelia Breuer, Anna Maria Meyer, M. Cristina Polidori, Sophia M.T. Dinges, Julia Schoenfeld, Mathias Siebenbuerger, Stefan Degenhardt, Kirsten Anding-Rost, Martin Halle