Request for InformationMost studies compensate you for your time and travel expenses. To participate, please call (312) 942-1442 or submit this Request for Information form. Contact Information Is it okay to leave a voicemail mentioning a research study? YesNo Are you a veteran? YesNo Do you live in Illinois? YesNo Which study are you interested in? (check all that apply) Medication Assisted Treatment for Co-occurring Opioid Use Disorder and PTSDComparing 1-week Cognitive Processing Therapy and Relaxation TrainingCombined 1-week Cognitive Processing Therapy and Stellate Ganglion Block TreatmentUsing Wearable Technology to Detect Symptoms of PTSD