1.
S1 File -
2.
3.
4.
5.
6.
7.
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.
Data management plan.
S4 File -