Table A1.

Questions posed to the experts from the face validity questionnaire.

	Face Validity Questions
1.	Is there an item that you missed in the items that were proposed so far that you think we need to consider?
2.	What is your opinion on the formulation of the items in the instrument?
3.	What is your opinion on the rating scales (frequency and severity) of the instrument and the suggested Likert scale?
4.	Is it clear how you should use the instrument? Are there any ambiguities?
5.	How relevant are the items for the entire study population?
6.	What do you think of the overall correspondence of the instrument to the construct cognition in daily life?
7.	Once available, would you use the instrument in daily practice?