1. Department of Mechanical and Materials Engineering, University of Nebraska, 900 North 16th Street, Room NH W330, Lincoln, Nebraska 68588, United States
2. Division of Plastic Surgery, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis Street, Boston, Massachusetts 02115, United States
3. Chair of Biomaterials, University of Bayreuth, Bayreuth, 95447 Germany
4. Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02139, United States
5. Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States