Quality assurance and characterization of narrowband ultraviolet B devices for use at home: lessons from the HI‐Light Vitiligo Trial. (1st May 2021) - Rogers, A.; Akram, P.; Batchelor, J.M.; Crutchley, J.; Grocki, M.; Haines, R.H.; Meakin, G.; O'Dowd, K.; Ravenscroft, J.; Thomas, K.S.