Han, Binbin, Fuliang Zhang, Zhenyun Chang, and Fang Feng. “Expression of Concern: Optimising Deep Neural Networks for Tumour Diagnosis Algorithms Based on Improved MRFO Algorithm”. EAI Endorsed Transactions on Pervasive Health and Technology 11 (April 24, 2026). Accessed April 24, 2026. https://publications.eai.eu/index.php/phat/article/view/12768.