1. Key Laboratory of OptoElectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou, Fujian, China
2. Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
3. Department of Pathology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China