Erratum regarding missing Declaration of Competing Interest statements in previously published articles

Abstract

[This corrects the article DOI: 10.1016/j.jor.2020.06.015.][This corrects the article DOI: 10.1016/j.jor.2020.03.030.][This corrects the article DOI: 10.1016/j.jor.2019.03.023.][This corrects the article DOI: 10.1016/j.jor.2020.06.017.][This corrects the article DOI: 10.1016/j.jor.2019.09.008.][This corrects the article DOI: 10.1016/j.jor.2020.03.038.][This corrects the article DOI: 10.1016/j.jor.2020.04.005.][This corrects the article DOI: 10.1016/j.jor.2020.01.016.][This corrects the article DOI: 10.1016/j.jor.2020.03.002.][This corrects the article DOI: 10.1016/j.jor.2020.03.057.][This corrects the article DOI: 10.1016/j.jor.2018.08.039.][This corrects the article DOI: 10.1016/j.jor.2019.06.030.][This corrects the article DOI: 10.1016/j.jor.2018.08.016.][This corrects the article DOI: 10.1016/j.jor.2020.01.048.][This corrects the article DOI: 10.1016/j.jor.2018.05.045.][This corrects the article DOI: 10.1016/j.jor.2018.01.044.].