WIX self-calculating forms specialist

Looking for expert level Web Design specialist. Implement a version of EXACTLY these forms in Wix: [login to view URL] I need the solution (obviously) to work equally well on a computer as on a phone or tablet. It can't be that the phone form is a miniature of the desktop as nobody could read it then :) One form, PHQ-9 is intended to test stress and depression . The other GAD-7 is intended to test for anxiety. Finally I'd like also an estimate for how much more it would cost to do a third form to test sleep patterns: [login to view URL] So an initial page like this one will describe all 3 tests and then you click off to each separate page: [login to view URL] EXCEPT: I need the forms to be self-totalling and to give the user an option -- A user should, after clicking or tapping in their answers, see an affordance that says: Are you willing to share your survey with Canway Youth for our ongoing research? You can share anonymously and/or include a contact email.