<related-article id="R1" related-article-type="retracted-article" ext-link-type="uri" vol="6" page="326" issue="3" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://dx.doi.org/10.3934/publichealth.2019.3.326"> Retraction notice to “Sudip Bhattacharya. Strengthening public health surveillance through blockchain technology” [<i>AIMS Public Health</i>, 2019, 6(3): 326–333]</related-article> - Retraction Notice | RetractBase