1. Department of SurgeryMemorial Sloan Kettering Cancer Center New York New York
2. Departments of Surgery, Radiology and PathologyObafemi Awolowo University Teaching Hospital Complex, Obafemi Awolowo University Ile‐Ife Nigeria
3. Departments of Surgery, Radiology and PathologyFederal Medical Centre Owo Nigeria
4. Departments of Surgery, Radiology and PathologyUniversity Teaching Hospital Ilorin Nigeria
5. Departments of Surgery and RadiologyLautech University Hospital Osogbo Nigeria
6. Department of SurgeryUniversity of Medical Sciences Teaching Hospitals’ Complex Ondo Nigeria
7. Department of Epidemiology and BiostatisticsMemorial Sloan Kettering Cancer Center New York New York