1. Imaging Unit, Integrative Oncology Department, BC Cancer Research Center, Vancouver, BC V5Z 1L3, Canada.
2. Photomedicine Institute, Department of Dermatology and Skin Science, University of British Columbia and Vancouver Coastal Health Research Institute, Vancouver, BC V5Z 4E8, Canada.
3. Key Laboratory of OptoElectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory of Photonics Technology, College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China.