1. Cochrane Hungary, Clinical Center of the University of Pécs, Medical School; University of Pécs; Pécs Hungary
2. Institute for Evidence in Medicine (for Cochrane Germany Foundation); Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg; Freiburg Germany
3. Institute for Evidence in Medicine; Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg; Freiburg Germany
4. Physiological Controls Research Center; Obuda University; Budapest Hungary
5. Cochrane France; Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité (CRESS), Inserm UMR1153, Paris Descartes University; Paris France