1. Danube University Krems; Cochrane Austria, Department for Evidence-based Medicine and Clinical Epidemiology; Dr.-Karl-Dorrek-Str. 30 Krems Austria 3500
2. Emory University; Nell Hodgson Woodruff School of Nursing; Atlanta Georgia USA
3. Danube University Krems; Department for Evidence-based Medicine and Clinical Epidemiology; Dr.-Karl-Dorrek-Strasse 30 Krems Austria 3500
4. University of California Davis; Carlson Health Sciences Library; Davis California USA
5. University of North Carolina at Chapel Hill; Department of Psychiatry; 101 Manning Dr., CB# 7160 Chapel Hill North Carolina USA 27599-7160
6. IBM Watson Health; 15 Dartford CT Chapel Hill North Carolina USA 27517
7. RTI International; 3040 Cornwallis Road Research Triangle Park North Carolina USA 27709
8. Medical University of Vienna; Department of Psychiatry and Psychotherapy; Waehringer Guertel 18-20 Vienna Austria 1090