1. Department of Undergraduate Medicine Yong Loo Lin School of Medicine, National University of Singapore (NUS) Singapore Singapore
2. Department of Otorhinolaryngology–Head and Neck Surgery Singapore General Hospital (SGH) Singapore Singapore
3. Departments of Otorhinolaryngology–Head and Neck Surgery Sengkang General Hospital (SKH) Singapore Singapore
4. Department of Diagnostic Radiology Singapore General Hospital Singapore Singapore