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Published on in Vol 10 (2026)

This is a member publication of HHU Dusseldorf

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/89467, first published .
Physical therapist monitors patient on elliptical during knee pain rehabilitation

Systematic Development of a Training Intervention to Support General Practitioners’ Very Brief Physical Activity Advice for Patients With Coronary Heart Disease: Formative Intervention Development Study From the OptiCor Project

Systematic Development of a Training Intervention to Support General Practitioners’ Very Brief Physical Activity Advice for Patients With Coronary Heart Disease: Formative Intervention Development Study From the OptiCor Project

Sabrina Kastaun   1 , PhD ;   Sabrina Hoppe   1 , MSc ;   Rik Crutzen   2 , PhD ;   Daniel Kotz   3, 4 , PhD ;   Stefan Wilm   1 , MD ;   Alicia Prinz   1 , PhD

1 Institute of General Practice (ifam), Patient-Physician-Communication Research Unit, Centre for Health and Society (chs), Medical Faculty and University Hospital, Heinrich-Heine-University Düsseldorf, Düsseldorf, North Rhine-Westphalia, Germany

2 Department of Health Promotion, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, Limburg, The Netherlands

3 Institute of General Practice (ifam), Addiction Research and Clinical Epidemiology Unit, Centre for Health and Society (chs), Medical Faculty and University Hospital, Heinrich-Heine-University Düsseldorf, Düsseldorf, North Rhine-Westphalia, Germany

4 Department of Family Medicine, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, Limburg, The Netherlands

Corresponding Author:

  • Sabrina Kastaun, PhD
  • Institute of General Practice (ifam), Patient-Physician-Communication Research Unit, Centre for Health and Society (chs), Medical Faculty and University Hospital, Heinrich-Heine-University Düsseldorf
  • Moorenstr. 5
  • Düsseldorf, North Rhine-Westphalia 40225
  • Germany
  • Phone: 49 0211 81 19527
  • Email: Sabrina.Kastaun@med.uni-duesseldorf.de