test subjects

Jalr There are three big facilities near Chicago
http://www.Jalr.org has a list of all the facilities in the country

AbbVie (Grayslake, IL)
http://www.abbviephase1.com/volunteer-now.html

Spaulding (West Bend, WI):
http://www.spauldingclinical.com/index.php/volunteers/available-studies

Covance (Madison, WI)
https://www.covanceclinicaltrials.com/en-us/browse-studies.html#p?ts=1432485546785&displayType=list&pageNumber=1&studyResults=24

Covance Clinical Trials
https://www.covanceclinicaltrials.com/en-us/
Just call them to do a screening interview.