1. Department of Biomedical Engineering; College of Engineering, Peking University; Beijing 100871 China
2. Wallace H. Coulter Department of Biomedical Engineering; Georgia Institute of Technology; Atlanta Georgia
3. Department of Biomedical Engineering; Virginia Commonwealth University; Richmond Virginia
4. Department of Periodontics; University of Texas Health Science Center at San Antonio; San Antonio Texas
5. Center for Biodiversity and Drug Discovery; Institute for Advanced Scientific Research & High Technology Services (INDICASAT-AIP); Panama Republic of Panama