As the programme evolved, we found there was a need to support the innovators in formulating review questions and deciding what kind of information would be most useful to obtain.
39 A technical panel of experts from multiple fields (nutrition, paediatric asthma, research methodology) formulated the review questions, reviewed the search strategies and review methods, and provided input throughout the review process.
MTE and MCV guided the development of TB/HIV collaborative activities in Cambodia and oversaw the current review process; RY, MF and BT formulated the review process; KKE, RY, MF and WW collected field information as background for the review; WW analyzed the field information and drafted the text; and all authors critically revised the text and approved the final manuscript.
Once formulated the review question, the inclusion and exclusion criteria were defined, the search strategy was developed to locate and select the studies, the data were extracted; therefore, the results were analyzed and interpreted.
In a first step, we formulated the review question: Which empirical data are available on research participants' perceptions and views regarding information and elicitation of consent for biobank research?
Seven of the ten participated in the forum, during which initial statements were formulated and reviewed by the panel chairperson to confirm clinical accuracy before the first round of the Delphi technique.
The literature was evaluated for level of evidence according to a standard method; recommendations were formulated and reviewed by a multidisciplinary group and, after a voting procedure, assigned a level of recommendation [ 13].
Only once purpose and audiences are clear should reviewers begin to formulate the review question(s) and scope.
The influence of grounded theory can be seen in particular in critical interpretive synthesis's inductive approach to formulating the review question and to developing categories and concepts, rejecting a 'stage' approach to systematic reviewing, and in selecting papers using theoretical sampling.
