1. Department of Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, BC, Canada
2. Orthopaedics and Palliative Care, University of British Columbia, Vancouver, BC, Canada
3. Philippine Journal of Otolaryngology - Head and Neck Surgery Professor of Otorhinolaryngology, University of the Philippines Manila, Manila, Philippines
4. Radiology Khoo Teck Puat Hospital, Singapore, Yong Loo Lin School of Medicine, National University of Singapore