1. School of Medicine, University of California, San Diego, San Diego, California, USA
2. Division of Otolaryngology–Head and Neck Surgery, University of California, San Diego, San Diego, California, USA
3. Department of Anesthesiology, University of California, San Diego, San Diego, California, USA
4. Department of Anesthesiology, Perioperative and Pain Medicine, Harvard Medical School/Brigham & Women’s Hospital, Boston, Massachusetts, USA
5. Division of Biomedical Informatics, University of California, San Diego, San Diego, California, USA