https://www.socialsolutions.com/blog/at-risk-youth-statistics/
https://measureofamerica.org/disconnected-youth/
https://www.unicef-irc.org/publications/878-research-with-disadvantaged-vulnerable-and-or-marginalized-adolescents.html
https://link.springer.com/article/10.1007/s10560-019-00628-5