One-year results from the promise trial, a multi-center prospective study of process optimization with cross-sectoral care for patients receiving hip or knee endoprostheses. (October 2022) - Betz, U.; Langanki, L.; Heid, F.; Schollenberger, L.; kronfeld, K.; Büttner, M.; Büchler, B.; Eckhard, L.; Klonschinski, T.; Drees, P.; ,