Cardiovascular risk management in patients with coronary heart disease in primary care : variation across countries and practices. An observational study based on quality indicators - van Lieshout, Jan (Radboud University Nijmegen Medical Centre. Scientific Institute for Quality of Health Care (Nijmegen, Països Baixos)) ; Grol, Richard (Radboud University Nijmegen Medical Centre. Scientific Institute for Quality of Health Care (Nijmegen, Països Baixos)) ; Campbell, Stephen (University of Manchester. Health Sciences - Primary Care Research Group (Manchester, Regne Unit)) ; Falcoff, Hector (Université Paris Descartes. Département de Médecine Générale) ; Frigola-Capell, Eva (Universitat Autònoma de Barcelona. Institut Universitari Avedis Donabedian) ; Glehr, Mathias (Medical University of Graz. Department of Orthopedic Surgery (Graz, Àustria)) ; Goldfracht, Margalit (Clalit Health Services (Tel Aviv, Israel)) ; Kumpusalo, Esko (University of Eastern Finland, Department of Public Health and General Practice (Kuopio, Finlàndia)) ; Künzi, Beat (Swisspep Institut für Qualität und Forschung im Gesundheitswesen (Berna, Suïssa)) ; Ludt, Sabine (University of Heidelberg. Department of General Practice and Health Services Research (Heildelberg, Alemanya)) ; Petek, Davorina (Zdravje Medical Center (Ljubljana, Eslovènia)) ; Vanderstighelen, Veerle (Domus Medica (Berchem, Bèlgica)) ; Wensing, Michel (Radboud University Nijmegen Medical Centre. Scientific Institute for Quality of Health Care (Nijmegen, Països Baixos))