Pavel and Peter: You should explicitly add:

Adapted from Pavuluri and Sweeney, J Am Acad Child Adolesc Psychiatry. 2008 November; 47(11): 1273–1288

I copied this into attachment directly from the paper here as you see! There is a copyright request from the journal. as you extract the picture It is easy to get permission!

In any case, you should reference it properly as above and not just add the link.

Thanks.

Mani