1. Center for Bioengineering, Tissue Regeneration, Department of Surgery, UCSF, San Francisco, CA, USA. Fax: +1-415-476-3985; Tel: +1-415-476-3826
2. Bay Area Physical Sciences Oncology Center, USA
3. Department of Bioengineering, Stanford University, Palo Alto, CA, USA
4. Department of Pathology, UCSF, San Francisco, CA, USA
5. Department of Radiation Oncology, UCSF, San Francisco, CA, USA
6. Department of Surgery, Duke University Comprehensive Cancer Center, Durham, North Carolina, USA
7. Departments of Anatomy and Bioengineering and Therapeutic Sciences, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, and UCSF Helen Diller Comprehensive Cancer Center, UCSF, San Francisco, California, USA