Optimal luminance of internally illuminated wayfinding signs (vol 49, pg 521, 2017)

Owing to errors made by the author, M Reisinger MSc, the article below is incorrect. Optimal luminance of internally illuminated wayfinding signs M Reisinger MSc1 Lighting Research & Technology, first published November 29, 2015 as DOI: 10.1177/1477153515619467 (1)Lucerne School of Engineering and Architecture, Horw, Switzerland The name of Dr Ruta Lasauskaite was omitted. The author apologises to the readers. The following corrections apply: Optimal luminance of internally illuminated wayfinding signs R Lasauskaite PhD1 and M Reisinger MSc1 Lighting Research & Technology, first published November 29, 2015 as DOI: 10.1177/1477153515619467 (1)Lucerne School of Engineering and Architecture, Horw, Switzerland The authors are listed as equal contributors, and as such share first authorship.