1. Key Laboratory of OptoElectronic Science and Technology for Medicine; Ministry of Education; Fujian Normal University; Fuzhou 350007 China
2. Fujian Metrology Institute; Fuzhou 350003 China
3. Fuzhou First Hospital; Fuzhou 350014 China
4. Imaging Unit-Integrative Oncology Department; British Columbia Cancer Agency Research Centre; 675 West 10th Avenue Vancouver BC V5Z 1L3 Canada