Xiaojing Liu, MD. PhD, Dermatologist at Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, and now working as a research fellow at Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School. Her research area is about photo-diagnosis and photo therapy. Her current research interest is light-based antimicrobial therapy including using antimicrobial blue light or antimicrobial photodynamic therapy to treat multidrug-resistant localized infections.