Correction: Electrochemical paper-based devices: Sensing approaches and progress toward practical applications (Lab on a Chip (2019) DOI: 10.1039/c9lc00903e)

In the original article, there was an error in the references given in the Fig. 2 caption. The corrected caption is given below: Fig. 2 Electrode fabrication schemes for: (A) stencil-printed electrodes. Adapted with permission from ref. 29: T. R. de Oliveira, W. T. Fonseca, G. D. Setti and R. C. Faria, Talanta, 2019, 195, 480–489 (Copyright 2019 Elsevier). (B) Inkjet-printed electrodes. Adapted with permission from ref. 60: S. Cinti, N. Colozza, I. Cacciotti, D. Moscone, M. Polomoshnov, E. Sowade, R. R. Baumann and F. Arduini, Sens. Actuators B: Chem., 2018, 265, 155–160 (Copyright 2018 Elsevier). (C) Pencil-drawn electrodes. Adapted with permission from ref. 68: A. A. Dias, T. M. G. Cardoso, C. L. S. Chagas, V. X. G. Oliveira, R. A. A. Munoz, C. S. Henry, M. H. P. Santana, T. Paixao and W. K. T. Coltro, Electroanalysis, 2018, 30, 2250–2257 (Copyright 2018 Wiley). (D) Thermoplastic electrodes. Adapted with permission from ref. 57: E. Noviana, K. J. Klunder, R. B. Channon and C. S. Henry, Anal. Chem., 2019, 91, 2431–2438 (Copyright 2019 American Chemical Society). The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers. © The Royal Society of Chemistry.