1 Department of Dermatology and Allergology, National Expertise Center for Atopic Dermatitis, University Medical Center Utrecht, Utrecht, the Netherlands. Electronic address: R.E.Achten@umcutrecht.nl.
2 Department of Dermatology and Allergology, National Expertise Center for Atopic Dermatitis, University Medical Center Utrecht, Utrecht, the Netherlands.
3 Department of Ophthalmology, University Medical Center Utrecht, Utrecht, the Netherlands.