1. Department of Medicine
2. Department of Health Services Research, Baylor College of MedicineVeterans Affairs Medical Center, Houston, Texas;
3. Max Von Pettenkofer-Institut, München, Germany
4. Division of Oral Microbiology, Department of Odontology
5. Department of Molecular Biology, Umeå University, Umeå, Sweden
6. Third Department of Internal Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
7. Universidad Nacional de Colombia, Bogota, Colombia
8. Guro Hospital, Korea University College of Medicine, Seoul, Korea