Scientific Reports 6: Article number: 31574; published online: 17 August 2016; updated: 17 February 2017

This Article contains an error in the Methods section. “Two 30 W UVC lamps (253.7 nm, irradiance of 5.5 × 10–4 μ W cm−2, at 4.5 cm) illuminated the surface of the polymer samples”.

should read:

“Two 30 W UVC lamps (253.7 nm, irradiance of 0.01 W cm−2, at 3.5 cm) illuminated the surface of the polymer samples”.