In the version of this article initially published, an author’s name was incorrect (Yesdhambel T. Nigatu). The correct name is ‘Yeshambel T. Nigatu’. Another author’s name and affiliation were incorrect (Mowafa Housseh; Division of Information and Computing Technology, Hamad Bin Khalifa University, Doha, Qatar). The correct name and affiliation are ‘Mowafa Househ’ and ‘College of Science and Engineering, Hamad Bin Khalifa University, Doha, Qatar’. Also, author Ewerton Cousin (affiliation, Postgraduate Program in Epidemiology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil) was not listed. This author has now been included. The errors have been corrected in the HTML and PDF versions of the article.


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