  The main references are WWW, we recommend the authors to cite research articles if applicable. The readership usually couldn't reach web sites for some cases and that happens for many reasons for example changing/removing the web address when a company acquired by another compony.  The flowing references are a web address; 0, 0, 0, 0, 00, 00, 00,00,00, 00, 0,00,00,00,00,00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, and 00.  Reference \[0\] missing the doi.  Reference \[0\] missing the doi.  Reference \[0