1. Center for NanomedicineBrigham and Women's HospitalHarvard Medical School Boston MA 02115 USA
2. College of Chemistry and Chemical EngineeringCentral South University Changsha Hunan 410083 P. R. China
3. Wellman Center for PhotomedicineMassachusetts General HospitalHarvard Medical School Boston MA 02114 USA
4. Holistic Integrative Pharmacy Institutes and Comprehensive Cancer Diagnosis and Treatment Center, the Affiliated Hospital of Hangzhou Normal UniversityCollege of MedicineHangzhou Normal University Hangzhou Zhejiang 311121 China