[1
]
Department of Orthodontics, Institute and Hospital of Stomatology, Nanjing University
Medical School, Nanjing, China.
[2
]
Department of Preventive Dentistry, Institute and Hospital of Stomatology, Nanjing
University Medical School, Nanjing, China.
[3
]
State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan
University, Chengdu, China.
[4
]
Discipline of Orthodontics, Department of Oral Science, Faculty of Dentistry, University
of Otago, Dunedin, New Zealand.
[5
]
State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan
University, Chengdu, China; Discipline of Orthodontics, Department of Oral Science,
Faculty of Dentistry, University of Otago, Dunedin, New Zealand. Electronic address:
li.mei@otago.ac.nz.