About the Authors

Stefan Markun

stefan.markun@usz.ch

Affiliation Institute of Primary Care, University Hospital of Zurich, University of Zurich, Zurich, Switzerland

Avraham Dishy

Affiliation Department of Ophthalmology, Cantonal Hospital Aarau, Aarau, Switzerland

Stefan Neuner-Jehle

Affiliation Institute of Primary Care, University Hospital of Zurich, University of Zurich, Zurich, Switzerland

Thomas Rosemann

Affiliation Institute of Primary Care, University Hospital of Zurich, University of Zurich, Zurich, Switzerland

Anja Frei

Affiliations Institute of Primary Care, University Hospital of Zurich, University of Zurich, Zurich, Switzerland, Institute of Social and Preventive Medicine, University of Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TR AF. Performed the experiments: AF SM. Analyzed the data: SM. Contributed reagents/materials/analysis tools: AF SM. Wrote the paper: SM AD SNJ TR AF. Interpretation of data for the work: SM AD SNJ.