1. School of Life Sciences, Department of Biomedical Engineering, University of Electronic Science and Technology of China, China and
Department of Computer Engineering, Kwame Nkrumah University of Science and Technology, Ghana
2. Department of Radiology, Komfo Anokye Teaching Hospital, Ghana
3. Digestive Endoscopic Center of West China Hospital, Sichuan University, China
4. School of Life Sciences, Department of Biomedical Engineering, University of Electronic Science and Technology of China, China