u/Appropriate-Gap-1331

We're 2 medical students conducting research on vitamin D deficiency, could you please take 2 mins of your time to fill this form? Thank you

https://docs.google.com/forms/d/e/1FAIpQLSfi3llqZbBrfaynMG6SArep3uErmZ-dzUI9YJDIXr-Em8aq7g/viewform