But the article didn't lay down a lot of evidence: there's an observation by two sociologists limited by frames of Chicago's soul asylum in 1930s, and vague est

But the article didn't lay down a lot of evidence: there's an observation by two sociologists limited by frames of Chicago's soul asylum in 1930s, and vague estimation of some Urban Design whatever, and finally a paper by a mental health researcher who essentially tells it's an emerging field, and more research needed.