6.

Describe the modes of delivery (e.g. face-to-face or by some other mechanism, such as internet or telephone) of the intervention and whether it was provided individually or in a group.

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WHERE

7.

Describe the type(s) of location(s) where the intervention occurred, including any necessary infrastructure or relevant features.

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WHEN and HOW MUCH

8.

Describe the number of times the intervention was delivered and over what period of time including the number of sessions, their schedule, and their duration, intensity or dose.

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TAILORING

9.

If the intervention was planned to be personalised, titrated or adapted, then describe what, why, when, and how.

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MODIFICATIONS

10.^‡

If the intervention was modified during the course of the study, describe the changes (what, why, when, and how).

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HOW WELL

11.

Planned: If intervention adherence or fidelity was assessed, describe how and by whom, and if any strategies were used to maintain or improve fidelity, describe them.

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12.^‡

Actual: If intervention adherence or fidelity was assessed, describe the extent to which the intervention was delivered as planned.

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