1. Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China;
2. Yale School of Medicine, New Haven, CT, USA;
3. Yale School of Medicine, Department of Molecular Biophysics and Biochemistry, New Haven, CT, USA;
4. Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA;
5. Yale University, New Haven, CT, USA;
6. School of Basic Medicine, Central South University, Cancer Research Institute, Changsha, China;
7. Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA;
8. Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA