BMJ Open

Promoting active outdoor play and healthy dietary behaviours through the co-creation of supporting physical and social environments for and with primary school-aged children living in underserved neighbourhoods in Europe: the protocol of the B-Challenged project

Altenburg

Teatske M

Pawlowski

Charlotte S

Ahrens

Wolfgang

Brand

Tilman

Buck

Christoph

Börnhorst

Claudia

Dzielska

Anna

Klaufus

Leonie

Miguel-Etayo

Pilar de

Moreno

Luis

Universidad de Zaragoza Okulicz-Kozaryn

Katarzyna

Vrijkotte

Tanja G M

Wink

Renée

Belmon

Laura S

Chinapaw

Mai J M

2026

research-article