AB participated in study conception and design, performed statistical analyses, and drafted the manuscript; RC participated in statistical analyses, study conception and design, and helped draft the manuscript; LC participated in data collection, study conception and design, and helped draft the manuscript.
VB: data analysis, supervision, drafting of the manuscript; FP statistical expertise, drafting of the manuscript CS: study conception and design, drafting of the manuscript; MS: study conception and design, data collection; TB: study conception, supervision; CB: intellectual content, drafting of the manuscript; AB: statistical expertise, data interpretation and supervision.
CJT, OS, AB, PAF, GH, MC, UL and HS were responsible for the study conception, data collection and design.
J.PC took part in conception, design, data collection, management and analysis; LH in conception, design, data management and analysis; CA in data collection and analysis; NYC and CAB in data analysis.
MA provided the study design, the coordination of the data collection, the manuscript conception, the drafting, and review of the article.
JLO contributed to data collection and initial conception of the study.
Our approach involved a 4-stage procedure: sampling, data collection, coding and conception of one or more theories.
TA acted as adjunct coordinator of the interview component of the general project, participated in the data collection, led the conception of this paper, and actively worked in the text construction.
LCM: study conception, data collection and analysis, research design, manuscript writing.
RC- Study conception, data collection, entry and analysis, manuscript writing MNS- Study conception, manuscript writing, revision, editing and overall supervision.
