Psychosocial demands and resources for working time organization in GP practices. Results from a team-based ethnographic study in Germany oleh Christine Preiser, Elena Tsarouha, Birgitta Weltermann, Florian Junne, Tanja Seifried-Dübon, Sigrid Hartmann, Markus Bleckwenn, Monika A. Rieger, Esther Rind, on behalf of the IMPROVEjob-Consortium