This Journal is an open access journal. All articles are made freely available to readers.Our open access policy is in in accordance with the Budapest Open Access Initiative (BOAI) definition - it means that articles have free availability on the public internet, permitting any users to read, download, copy, distribute, print, search, or link to the full texts of these articles, pass them as data to software, or use them for any other lawful purpose, without financial, legal, or technical barriers other than those inseparable from gaining access to the internet itself.