Poster 538 Gender Differences versus Genotype Risk of CoMorbidities in Chronic Pain Patients. Issue 9 (29th September 2014) - Schwarz, Dan; Hubbard, John; Onojighofia, Tobore; Brian, Meshkin; Akindele, Bilikis; Holman, Derrick; Alderson, Nate; Doust, Matthew; Chen, Juetong