1 Dermatology Department, Tallaght University Hospital, Dublin, Ireland.
2 Kathleen Lonsdale Institute for Human Health Research, Department of Biology, Maynooth University, Maynooth, Ireland.
3 Kathleen Lonsdale Institute for Human Health Research, Department of Biology, Maynooth University, Maynooth, Ireland; National Children's Research Centre, Dublin, Ireland.
4 Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway; Section of Dermatology, Oslo University Hospital, Oslo, Norway.
5 Section of Dermatology, Oslo University Hospital, Oslo, Norway.
6 Kathleen Lonsdale Institute for Human Health Research, Department of Biology, Maynooth University, Maynooth, Ireland; National Children's Research Centre, Dublin, Ireland; St Vincent's University Hospital, Dublin, Ireland. Electronic address: [email protected].