Noro A., Poss J.W, Hirdes J.P, Finne-Soveri H., Ljunggren G., Bjornsson J., Schroll M., Jonsson P.V.  2011.  Method for Assigning Priority Levels in Acute Care (MAPLe-AC) predicts outcomes of acute hospital care of older persons--a cross-national validation. BMC medical informatics and decision making. 11:39.