Hospital Related Forum site list

I will searching Hospital Related Forum site list for Forum signature links. Any one share here if they found any Hospital related site list.
I have one of hospital website project.
Can I put signature links to warrrior forum, digital point forum and any seo or software related forum posting for Hospital related Site? If I will put put signature link to Software or SEO related for such as warrior forum so, can I get backlinks to that forums?

See original post by eliteinfoworld