1. Department of Pain and Translational Symptom Science, School of Nursing, University of Maryland, Baltimore, Maryland, USA.
2. Graduate Program in Life Sciences, Program in Epidemiology and Human Genetics, School of Medicine, University of Maryland, Baltimore, Maryland, USA.
3. 711th Human Performance Wing, En Route Care, Wright-Patterson AFB, Ohio, USA.
4. Placebo Beyond Opinions Center, University of Maryland, Baltimore, Maryland, USA.
5. Center to Advance Chronic Pain Research, University of Maryland, Baltimore, Maryland, USA.
6. Department of Anesthesiology & Psychiatry, University of Maryland, School of Medicine, Baltimore, Maryland, USA.