1. Division of Biomaterials and BiomechanicsDepartment of Restorative DentistrySchool of DentistryOregon Health and Science University Portland OR 97201 USA
2. Department of Pediatric DentistryFaculty of DentistryMahidol University Bangkok 10400 Thailand
3. Center for Regenerative MedicineSchool of MedicineOregon Health and Science University Portland OR 97239 USA
4. Division of Biomaterials and BiomimeticsSchool of DentistryNew York University New York NY 10010 USA
5. Phil and Penny Knight Campus for Accelerating Scientific ImpactUniversity of Oregon Eugene OR 97403 USA
6. Department of Biomedical EngineeringSchool of MedicineOregon Health and Science University Portland OR 97239 USA
7. Cancer Early Detection Advanced Research Center (CEDAR)Knight Cancer InstituteOregon Health and Science University Portland OR 97201 USA