1. Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, Maryland.
2. Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland.
3. CosmeticSurg, LLC, Luthersville, Maryland.
4. Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland.
5. Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland.