But if it's studies you want, here's one recently published:
https://link.springer.com/epdf/10.1007/s10567-019-00295-z?author_access_token=vmOPHvbAaIJoksUgIPWH__e4RwlQNchNByi7wbcMAY7VUkJRW2aYL2g6pY11SZOuB9gdQEBcF7ymn18DwZHo-o-hyyFUG50Dk0GPvv8-vKCFoR1vlEb3Z9Bh2Q8IWRYMvMrB6hZhjPAUCBMEMyPaqw%3D%3D