Respondents

Invitation

• I did not receive an invitation. What should I do?

Questionnaire

• I received a reminder but I have already completed my questionnaire. What should I do?
• What should I do if I receive a notification that my questionnaire has already been completed?
• Confidentiality: how does it work?
• Do I have to answer all the questions?
• What does the code on the questionnaire do?