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Table 1.

Study participants classified by area of work and country of activity.

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Table 1 Expand

Fig 1.

Study development process.

*MDS: minimum data set.

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Fig 1 Expand

Table 2.

Presentation and classification of data: Data entities, subentities and items.

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Table 2 Expand

Table 3.

Levels of agreement between participating agencies.

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Table 3 Expand