Unless you get people with a few years (5 at least) I think you won't get the job done in the way you want.

Have you thought about getting a consultancy company to do the job for you?

if people put the link to the events in the News and Announcements then that would help solve the issue.

or you can apply the 3M rule, where people are either Missionaries, Mercenaries,,or Misfits

I would try the International Clinic, if they are closed for the holidays then go to the YunDa Hospital at the back of Xiao Xi Men Walmart or the Red Cross Hospital at QingNian Road near the zoo

Chingis, that is exactly what I was thinking.