1. Institute of General Practice and Evidence‐based Health Services ResearchMedical University of Graz Graz Austria
2. Institute for Medical Informatics, Statistics and DocumentationMedical University of Graz Graz Austria
3. Department of Internal Medicine, Division of Endocrinology and DiabetologyMedical University of Graz Graz Austria
4. Institute of General PracticeGoethe University Frankfurt am Main Frankfurt Germany