Corrigendum: A Paper-Based IL-6 Test Strip Coupled With a Spectrum-Based Optical Reader for Differentiating Influenza Severity in Children - Sheng-Wen Lin; Ching-Fen Shen; Ching-Fen Shen; Ching-Chuan Liu; Ching-Chuan Liu; Chao-Min Cheng (Frontiers in Bioengineering and Biotechnology, 2021)