1. Department
of Radiology, Shanghai First People’s Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200080, People’s Republic of China
2. Department
of Radiology, School of Medicine, Shanghai Tenth People’s Hospital Affiliated with Tongji University, Shanghai 200072, People’s Republic of China
3. CQM-Centro
de Química da Madeira, Universidade da Madeira, Campus da Penteada, 9000-390 Funchal, Portugal