The original publication of this articleReference Fatima, Habib and Khan1 erroneously included an affiliation for author Azhar Iqbal to an institution that was not involved in the conduct, approval or funding of the research contained in the article. The author’s affiliation has been corrected.
The authors would like to add an acknowledgments section to the article.
Acknowledgment
Author Azhar Iqbal was also affiliated with the Department of Operative Dentistry and Endodontics, Frontier Medical and Dental College, Abbottabad, Pakistan at the time of the submission of this article.
