Methodological quality and editorial independence of supranational guidelines for chronic diseases in comparison to national guidelines: progress or regress?

T. Langer, S. Weinbrenner, M. Nothacker, S. Conrad, C. Bartel, W. Hoffmann-Eßer, E. Höfer, A. Rüther, U. Siering & G. Ollenschläger
Background: Guidelines published by supranational scientific societies are available for many diseases and can spare resources of national guideline authors. Objectives: We sought to examine the methodological quality and editorial independence of supranational guidelines (SG) in comparison to national[for full text, please go to the a.m. URL]