Witowski, Jan, Jongmun Choi, Soomin Jeon, Doyun Kim, Joowon Chung, John Conklin, Maria Gabriela Figueiro Longo, Marc D. Succi, and Synho Do. “MarkIt: A Collaborative Artificial Intelligence Annotation Platform Leveraging Blockchain For Medical Imaging Research”. Blockchain in Healthcare Today 4 (May 5, 2021). Accessed October 24, 2021. https://blockchainhealthcaretoday.com/index.php/journal/article/view/176.