1 Center for Medical Genetics Ghent, Ghent University Hospital Ghent, Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, Ghent, Belgium; Department of Dermatology, Ghent University Hospital Ghent, Ghent, Belgium.
2 Center for Medical Genetics Ghent, Ghent University Hospital Ghent, Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, Ghent, Belgium.
3 Department of Dermatology, Ghent University Hospital Ghent, Ghent, Belgium.
4 Center for Medical Genetics Ghent, Ghent University Hospital Ghent, Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, Ghent, Belgium. Electronic address: Bert.Callewaert@Ugent.be.