Correction: A COVID-19 Pandemic Artificial Intelligence–Based System With Deep Learning Forecasting and Automatic Statistical Data Acquisition: Development and Implementation Study - Cheng-Sheng Yu; Shy-Shin Chang; Tzu-Hao Chang; Jenny L Wu; Yu-Jiun Lin; Hsiung-Fei Chien; Ray-Jade Chen (Journal of Medical Internet Research, 2021)