1. Department of Pathology, Stanford University School of Medicine, Stanford, California 94305, United States
2. Department of Otolaryngology−Head & Neck Surgery Divisions, Stanford University School of Medicine, Stanford, California 94305, United States
3. Department of Automatic Control and Robotics, AGH University of Krakow, Krakow 30-059, Poland
4. Biochemistry Department, School of Biomedical Sciences, University of Otago, Dunedin 9054, New Zealand
5. Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, United States