1. Department of Periodontics & Oral MedicineUniversity of Michigan School of Dentistry Ann Arbor MI USA
2. Department of Biomedical and Neuromotor SciencesUniversity of Bologna Bologna Italy
3. Private practice Houston TX USA
4. Department of PeriodonticsUniversity of Texas, Dental Branch Houston and Health Science Center at San Antonio San Antonio TX USA
5. Department of Biomedical, Surgical and Dental SciencesUniversity of Milan Milan Italy
6. Department of Oral and Maxillofacial SurgeryUniversity of Michigan Ann Arbor MI USA
7. Department of Biomedical EngineeringCollege of Engineering and Biointerfaces InstituteUniversity of Michigan Ann Arbor MI USA