1. Department of Internal Medicine, Stanford University School of Medicine, Stanford, California
2. Stanford University School of Medicine, Stanford, California
3. Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, California
4. Department of Pediatrics, Stanford University School of Medicine, Stanford, California
5. Department of Otolaryngology, Stanford University School of Medicine, Stanford, California
6. Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California