Affiliations

• ¹ Department of Bioengineering, University of Washington, Seattle, WA 98105, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98105, USA.
• ² Department of Bioengineering, University of Washington, Seattle, WA 98105, USA; Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98105, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98105, USA; Brotman Baty Institute, University of Washington, Seattle, WA 98105, USA. Electronic address: ksteve@uw.edu.