The database here is obtained via the Multidisciplinary Digital Publishing Institute (MDPI)  search engine that ranks all articles from

202 diverse, peer-reviewed, open-access journals. We downloaded and compared 200 articles (100 highly and 100 lowly

cited articles) published in 2017. Note, MDPI provides the article ranking based on the access date. So, all downloaded

articles are categorized highly cited and lowly cited based on the 17th of March 2019 access.