1. Department of Bioengineering, University of Washington, 850 Republican Street, Seattle, WA 98109, USA
2. Department of Biomedical Engineering, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Baltimore, MD, 21205, USA
3. Division of Advanced Materials Engineering, Kongju National University, Budaedong 275, Seobuk-gu, Cheonan-si, Chungnam, 31080, South Korea
4. Digital Health Care Research Center, Gumi Electronics and Information Technology Research Institute (GERI), 350-27, Gumidaero, Gumi, Gyeongbuk 39253, South Korea
5. Soft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, South Korea
6. Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA 98195, USA
7. Division of Dermatology, Department of Medicine, University of Washington, 850 Republican Street, Seattle, WA 98109, USA
8. Institute for Stem Cell and Regenerative Medicine, University of Washington, 850 Republican Street, Seattle, WA 98109, USA