PI= Principle Investigator; INS=Institute of Nursing Science Basel; UAS= University of Applied Science Augsburg; USB= Unispital Basel; UKF= Universitätsklinikum Freiburg; USZ=Unispital Zürich, KUL= Katholieke Universiteit Leuven; UZ Leuven= Universitair Ziekenhuis Leuven; IMBI=Institute of Medical Biometry and Statistics; PPI= Patient and Public Involvement