In 4 cases the interviewee was the carer(s) for the person invited to join the trial, and in a further 5 cases, a partner or carer contributed to the interview.
The authors would like to thank all those who facilitated and contributed to the interviews process.
Another four potential participants were unwilling to contribute to the interviews.
All authors contributed to the interviews of the requirements elicitation, the design of the mathematical model, and the conceptual design of the decision support system.
Thus, the RAs allowed individuals, especially women, to seek input from family members before participation, and they allowed family members to contribute to the interviews as "incidental research participants" if acceptable to the enrolled participant.
Experts from different airlines and universities responded to an interview, contributing to the design of pairwise comparison matrices for the criteria and sub-criteria.
The first 3 interviews then contributed to the development of the interview guide (see additional file 1).
PB contributed to the design of the interview tools, recruited subjects, performed the interviews and contributed to the writing of the manuscript The pre-publication history for this paper can be accessed here:.
The fact that all but one of the interviewers had been involved in implementing the guidelines earlier may have biased the interviews, but this experience may also have contributed to the relevance of the interview guide.
JL, YG, KH, MP, DE, VS, PC, LB and GM designed the study, JL, YG, GM, KH, LB, DE, MP contributed to the development of the interview topic areas and JL, YG, JS and JP conducted interviews and undertook the analysis.
BY contributed to the design, performed the interviews, analyzed and interpreted the interviews, wrote the draft and discussion, and revised the content.
