If you're writing papers in LaTeX, then https://www.overleaf.com should be good for you. Almost all of our department has started using it.
Maybe this type of service where it is more microsoft office based will be better when collaborating with non-computational inclined people.
It's pretty funny to see the culture clash between the two when it comes to writing articles. We had to learn latex in our first year of undergrad to write lab reports whereas the biomed people really don't see any value in using latex over word (especially for collaborating).
Authorea is for researchers to write and collaborate online. Multiple users can write across formats in the same document (including LaTeX, markdown, rich text) and you can push a button to export to different file formats, journal styles, or publish to the web.
Given that you've been helping to spread the word, would you like to join our advisors programme? Details at https://wwww.overleaf.com/advisors