[1] University of Lausanne,Department of Ambulatory Care and Community Medicine
[2] University Hospital of Zurich,Division of Internal Medicine
[3] University Hospital Basel,Medical Outpatient Department/Ambulatory Internal Medicine
[4] University of Michigan,Veterans Affairs Center for Clinical Management Research, HSR&D Center of Excellence; Department of Internal Medicine
[5] University Hospitals of Geneva,Department of Community Medicine and Primary Care
[6] and Faculty of Medicine,Department of Epidemiology and Biostatistics
[7] University of California San Francisco,undefined