Table 1 List of organisations that provided participants for the study. Thirty-three organisations (actors) participated in the study. One representative was interviewed from each of the 34 organisations presented in the table (one interviewee represented two organisations)

- → 3 universities (departments: health and nutrition, health and society, healthcare innovation)

- → 2 universities of applied sciences (departments of: healthcare innovation; health, behaviour, and society)

- → 6 research and training institutes (providing knowledge and sometimes training suitable for municipalities, municipal health services, schools, health professionals) on:

 • → health promotion and public health

 • → youth care

 • → sports and physical activity

 • → nutrition and food safety

 • → mental and addiction care

 • → alcohol policy

- → Academic collaborative (collaboration between municipal health service and university to jointly create knowledge on health promotion)

- → Public–private collaborative on overweight, joining together governmental organisations, private organisations (e.g., food industry), knowledge institutes

- → Municipality

- → 3 municipal health services (1 in an urban region, 2 in more rural areas)

- → Regional provider of mental healthcare

- → Supermarket headquarters (marketing department)

- → Communication/consultancy agency on food agriculture and health

- → Consultancy agency on innovation processes within public health/healthcare

- → 2 health insurance companies

- → Ministry of Health, Welfare, and Sport

- → Governmental institute promoting effective health promotion

- → Governmental institute supporting health policy by formulating public health prospects

- → Governmental health research funding agency

- → Healthcare inspectorate

- → Health council

- → 5 professional/umbrella associations of:

 • → municipalities

 • → care providers

 • → municipal health services

 • → general practitioners

 • → dieticians