About the Authors
- Ingmar Schäfer, Eike-Christin von Leitner, Heike Hansen, Tina Kolonko, Hanna Kaduszkiewicz, Hendrik van den Bussche
- Department of Primary Medical Care, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Gerhard Schön, Karl Wegscheider
- Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Daniela Koller, Gerd Glaeske
- Division of Health Economics, Health Policy and Health Services Research, Centre for Social Policy Research, University of Bremen, Bremen, Germany
The authors have declared that no competing interests exist.
Conceived and designed the experiments: HvdB HK IS HH KW. Analyzed the data: IS GS. Contributed reagents/materials/analysis tools: DK TK GS. Wrote the paper: IS EvL.