1. Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, California, USA
2. Department of Microbiology & Molecular Genetics, University of Texas McGovern Medical School, Houston, Texas, USA
3. Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
4. Center for Biotechnology (CeBiTec), Bielefeld University, Bielefeld, Germany
5. Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, Connecticut, USA
6. Molecular Biology Institute, University of California, Los Angeles, Los Angeles, California, USA