We also attempted to identify additional relevant studies, in particular non-published datasets, through queries to experts and international organizations concerned with maternal and perinatal health.
These publications were identified from the systematic review, from a search of relevant websites, by backchaining and through requests to experts involved in the consultation process (see below).
The Security Council also did not give the peacekeeping force the means to patrol Sierra Leone's borders, through which, according to experts on Africa, the rebels could continue trading diamonds for arms.
With respect to representation-based problem-solving ability, the authors identified and classified three categories of ability that reflected increasing levels of expertise from novice, through intermediate, to expert level.
Data were collected through a questionnaire distributed to experts in the construction industry.
They trawl through aviation blogs, speak to experts, search for any clue that may have been missed.
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This framework grades the associated risk of bias based on the level of evidence in a hierarchal manner from a grade of 1++ (meta analysis and RCT evidence) through to 4 (expert opinion), as outlined in Table 1.
According to experts, mining through a fault is very dangerous, because it significantly increases the risk of roof collapse, fire and other hazards.
The expert group utilized a data collection instrument, distributed through a survey and directly to experts, to seek unpublished data and views related to the criteria by which conditions were to be evaluated.
