1 Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, 34 Hospital Road, Sai Ying Pun, Hong Kong SAR, China. Electronic address: richsu@hku.hk.
2 Department of Head and Neck Surgery, Gustave Roussy Cancer Campus, 94800 Villejuif, France.
3 Department of Head & Neck, Plastic and Reconstructive Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.
4 Department of Dentistry, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA; Department of Maxillofacial Prosthetics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.
5 Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, 34 Hospital Road, Sai Ying Pun, Hong Kong SAR, China.