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S1 File -
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Survey questions and answer options.
Mean scores and differences between physicians in a formal leadership position compared to those not in a formal leadership position.
Correlations matrix for relational coordination items with job satisfaction and quality of care.
Informed consent materials in Dutch.
CONSORT 2010 checklist of information to include when reporting a randomised trial*.
Research protocol.
SPIRIT checklist.
STROBE statement—checklist of items that should be included in reports of observational studies.
Monitoring plan.