1. Department of Anesthesia, Brooke Army Medical Center , JBSA Fort Sam Houston, TX 78234-6200, USA
2. Department of Otolaryngology-Head and Neck Surgery, San Antonio Uniformed Services Health Education Consortium , JBSA Fort Sam Houston, TX 78234-6200, USA
3. Department of Anesthesiology, Uniformed Services University , Bethesda, MD 20814, USA
4. Henry M. Jackson Foundation, Inc. , Rockville, MD 20852, USA
5. Defense and Veterans Center for Integrative Pain Management , Bethesda, MD 20814, USA