Ellen M A Smets1, Myriam Deveugele2, Sunil Kripalani3, Kenzie A Cameron4. 1. Department of Medical Psychology, Academic Medical Centre, University of Amsterdam, The Netherlands. Electronic address: e.m.smets@ams.uva.nl. 2. Faculty of Medicine and Health Sciences, Department of Family Medicine and Primary Health Care, Ghent University, Ghent, Belgium. 3. Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA; Institute for Medicine and Public Health, Vanderbilt University, Nashville, TN, USA. 4. Division of General Internal Medicine and Geriatrics, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.