Lin F, Yao L, Bhikoo C, Guo J. Impacts of fixed orthodontic appliance and clear-aligner
on daily performance in adult patients with moderate need for treatment. Patient Preference
and Adherence. 2016;10:1639–1645.
The corresponding author Dr Jing Guo, was not aware that his/her name had been used
and did not give permission for the paper to be published. In addition, there were
serious errors in the statistical tests used.