⚠️ Please open this file in a web browser
You are viewing this questionnaire inside a preview window (for example the WhatsApp file preview), which cannot run the form. The questions will appear once it is opened in a real browser.
iPhone / iPad: tap the share icon ⬆︎ → Save to Files, then open the Files app, touch and hold the file → Share → Safari (or ask the researcher for the web link).
Android: download the file, open the Files app, tap the file and choose Chrome when asked how to open it.
Easiest: use the web link / QR code from the researcher instead of the attached file.