Here is an interesting article about a Art Therapist who also uses Therapy Dogs.

Brant Meehan leads an animal therapy class at Animal Friends for children whose loved ones have cancer or whom may have cancer themselves. Mr. Meehan offers the class through the Cancer Caring Center.
Mr. Meehan is a therapist who specializes in using art with his practice. With the program at Animal Friends, Mr. Meehan combines utilizing art therapy and therapy dogs to reach the children and assist them in handling difficult times.

Read more: http://www.post-gazette.com/stories/local/neighborhoods-north/a-newsmaker-you-should-know-his-combination-of-art-and-dog-therapy-helps-children-676313/#ixzz2LZXFPf7M