An additional potential limitation of the study results from the multiple languages used during data collection, analysis and reporting.
He was instrumental in data collection, supervision during data collection, analysis and the production of this manuscript.
The pre-publication history for this paper can be accessed here: http://www.biomedcentral.com/1471-2334/12/197/prepub The authors would like to thank Dr. Amare Worku, Mr. Alemayehu Nigatu, Dr. Andargachew Kumsa, Dr. Nigusie Deyesa, Dr. Meseret Gebre, Mr.Fisseha Eshete and Dr.Elizabeth A. Jacobs for their support during data collection, analysis and editing the manuscript.
Triangulation was done during data collection, analysis, interpretation and discussion of the results.
SMC made substantial contribution during data collection, analysis and data interpretation.
Meryl Lovarini developed teaching materials for the workshop, provided support to participants during the study, assisted with data collection, analysis and writing up.
Therefore, during the whole process, including data collection, analysis and interpretation, discussions were carried out with the co-authors.
Also, to ensure credibility of the findings, many joint briefing and analysis sessions were conducted during the data collection and analysis phase with members of the research team and a senior local resource person.
KA participated in checking methods and results and supporting MC during the data collection and analysis.
AJ offered scientific advice, inputs and critique during the data collection and analysis and throughout the preparation of the manuscript.
