Inclusion criteria
| Question | Response | Action |
| When was your initial COVID infection? | Date | |
| Do you continue to have any symptoms? | Yes/No | If no—exclude If yes—ask next question |
| Do your symptoms bring about a significant change in your daily functioning with regard to housekeeping, care, studies or work and/or affect interpersonal relationships? | Yes/No | If no—exclude If yes—include |