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Yan Gu
Department of Orthodontics,
Peking University School and Hospital of StomatologyP.R. China
Urban Hagg
Orthodontics, Faculty of Dentistry
The University of Hong Kong,
SAR and China and Institute of Odontolog, Faculty of Health Sciences
University of Copenhagen
John Wu
Orthodontics, Faculty of Dentistry
The University of Hong KongHong Kong SAR, China
Shadow Yeung
Research Laboratories, Faculty of Dentistry,
The University of Hong KongChina