Updates are available Correction dated 2021-06-14

Article History

Received: 10 July 2019

Accepted: 15 June 2020

First Online: 2 July 2020

Change Date: 14 June 2021

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1186/s12903-021-01656-3

Ethics approval and consent to participate

: All participants volunteered for the study, were informed about the scope of the study and provided written consent. The study was approved by Independent Ethics Committee of Shanghai Ninth People’s Hospital affiliated to Shanghai Jiao Tong university, School of Medicine.

: Not applicable.

: All authors reported no conflicts of interest.