1 Emory University, Atlanta, GA, USA. Electronic address: [email protected].
2 Defense and Veterans Center for Integrative Pain Management, Uniformed Services University, Bethesda, MD, USA.
3 Defense and Veterans Center for Integrative Pain Management, Uniformed Services University, Bethesda, MD, USA; Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA.
4 Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA.