1. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology - Head and Neck Surgery, University of California San Francisco, San Francisco, California, USA.
2. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology - Head and Neck Surgery, Private Practice, Walnut Creek, California, USA.
3. Department of Biomedical Engineering, University of Calgary, Calgary, Canada.
4. Department of Cell Biology and Anatomy, Alberta Children's Hospital Research Institute and McCaig Bone and Joint Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada.
5. Department of Radiology, Alberta Children's Hospital Research Institute and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada.