Region Nordjylland (North Denmark region), 

Centre of Clinical Health Services Research, 

Aalborg University hospital, Denmark  

 Corvinus University of Budapest,  

 Budapest, Hungary

 Scuola Superiori di Studi Universitari e di

 Perfezionamento Sant'Anna,

 Istituto di Management, 

Laboratorio Management e  Sanità,

Pisa, Italy

 RKKP-Danish Clinical Quality Program

 National Clinical Registries, Aarhus, Denmark  

 Canadian Institute for Health   Information,  Toronto, Canada 

 Institute of Health Policy,   Management and Evaluation,

 University of Toronto, Canada

 University of Dundee,

 Dundee,  UK 

 Hamburg Center for Health Economics,  

 Hamburg, Germany     

 Royal College of General Practitioners

 and Surveillance Centre, London, UK

National Institute for Public Heath and 

Environment, Bilthoven, The Netherlands

Institute for Applied Quality Improvement and

Research in Health Care, Göttingen, Germany

 Department of Epidemiology Lazio Regional

Health Service, Roma, Italy

 Generali Insurance Company (Generali Biztosító Zrt.),

  Budapest, Hungary