Affiliations: Department of Stomatology, Beijing Tongren Hospital Affiliated to Capital Medical University, Beijing, China
Correspondence:
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Corresponding author: Song Feng, Department of Stomatology, Beijing Tongren Hospital Affiliated to Capital Medical University, Beijing, China. E-mail: [email protected].
Abstract: This article has been retracted, and the online PDF has been watermarked “RETRACTION”. The retraction notice is available at http://doi.org/10.3233/MGC-220954.