1. Zhianawa Cancer Center, Sulaimani, Kurdistan, Iraq
2. Komar University of Science and Technology, Sulaimani, Kurdistan, Iraq
3. University of Sulaimani, Sulaimani, Kurdistan, Iraq
4. University of Toronto, Toronto, Ontario, Canada
5. Mosul Oncology and Nuclear Medicine Hospital, Mosul, Ninevah, Iraq
6. University of Alberta, Edmonton, Alberta, Canada