Concept
Version 7
Created by Boundless
Compensation Differentials
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Johns Hopkins University on Fotopedia."
http://www.fotopedia.com/wiki/Johns_Hopkins_University%23!/items/flickr-4647211575
Fotopedia
CC BY.