1. Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, and the Department of Otology and Laryngology, Harvard Medical School, Boston, Massachusetts; Center for Tissue Engineering, Department of Anesthesiology, University of Massachusetts Medical School, Worcester, Massachusetts
2. Center for Tissue Engineering, Department of Anesthesiology, University of Massachusetts Medical School, Worcester, Massachusetts
3. Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, and the Department of Otology and Laryngology, Harvard Medical School, Boston, Massachusetts
4. Center for Tissue Engineering, Department of Anesthesiology, University of Massachusetts Medical School, Worcester, Massachusetts and Core Flow Cytometry Laboratory, University of Massachusetts Medical School, Worcester, Massachusetts
5. Center for Tissue Engineering, Department of Anesthesiology, University of Massachusetts Medical School, Worcester, Massachusetts and Department of Pathology, University of Massachusetts Medical School, Worchester, Massachusetts