Center of Image, the First Affilliated Hospital to Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi Province 710061,China;
Center of Image, the First Affilliated Hospital to Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi Province 710061,China;
Center of Image, the First Affilliated Hospital to Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi Province 710061,China;
Center of Image, the First Affilliated Hospital to Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi Province 710061,China;