1. School of Engineering Virginia Commonwealth University Richmond VA USA
2. SpherIngenics, Inc. Richmond VA USA
3. Department of Orthopaedics Otto von Guericke University Magdeburg Germany
4. Department of Periodontics University of Texas Health Science Center at San Antonio San Antonio TX USA
5. Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University Georgia Institute of Technology Atlanta GA USA