1. Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester; Cochrane Oral Health; Oxford Road Manchester UK M13 9PL
2. West China College of Stomatology, Sichuan University; Department of Oral and Maxillofacial Surgery, State Key Laboratory of Oral Diseases; No. 14, Section Three, Ren Min Nan Road Chengdu Sichuan China 610041
3. State Key Laboratory of Oral Diseases, West China College of Stomatology, Sichuan University; Department of Oral Implantology; No. 14, Section Three, Ren Min Nan Road Chengdu Sichuan China 610041
4. State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University; Department of Head and Neck Oncology; No. 14, Section Three, Ren Min Nan Road Chengdu Sichuan China 610041