1. Department of Radiology, Shandong Medical Imaging Research Institute, Shandong University, Jinan, Shandong, China (mainland)
2. Department of Radiology, Shanghai Institute of Medical Imaging, Zhongshan Hospital, Fudan University, Shanghai, China (mainland)
3. Philips Healthcare, Shanghai, China (mainland)
4. Philips Healthcare, Hong Kong, China (mainland)