1. Massachusetts General Hospital and Harvard Medical School, Wellman Center for Photomedicine, Boston, Massachusetts 02114, United States
2. Department of Chemistry, KAIST, Daejeon 34141, Republic of Korea
3. Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
4. North Carolina State University, Raleigh, North Carolina 27695, United States
5. Bouvè College of Health Science, Northeastern University, Boston, Massachusetts 02115, United States
6. Middlebury College, Middlebury, Vermont 05753, United States
7. Division of Health Sciences and Technology, Harvard University and Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States