1. Department of Nuclear Medicine Nanjing First Hospital Nanjing Medical University Nanjing China
2. Division of Nuclear Medicine Department of Biophysics and Medical Physics Grigore T. Popa University of Medicine and Pharmacy Iasi Romania
3. Nuclear Medicine Clinic St. Spiridon Hospital Iasi Romania
4. Department of Nuclear Medicine Taizhou First People Hospital Nanjing University of Traditional Chinese Medicine Nanjing China
5. Department of Pathology Nanjing First Hospital Nanjing Medical University Nanjing China
6. Clinical Center Kragujevac Center for Nuclear Medicine Kragujevac Serbia
7. Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia
8. Department of Geriatric Gastroenterology The First Affiliated Hospital of Nanjing Medical University Nanjing China