1. Department of Bacteriology, The Jikei University School of Medicine, Minato-ku, Tokyo, Japan
2. Jikei Center for Biofilm Science and Technology, Minato-ku, Tokyo, Japan
3. Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, Minato-ku, Tokyo, Japan
4. Drug Discovery Initiative, The University of Tokyo, Bunkyo-ku, Tokyo, Japan