1 Department of Dermatology, Venereology and Allergy, Frankfurt University Hospital, Frankfurt am Main, Germany.
2 Department of Dermatology, Venereology and Allergy, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität Berlin, Berlin, Germany.
3 MVZ Medicover Humangenetik Berlin Lichtenberg, Berlin, Germany.
4 Center for Chronically Sick Children (Sozialpädiatrisches Zentrum SPZ), Charité -Universitätsmedizin Berlin, Berlin, Germany.
5 Department of Pediatric Neurology, Charité - Universitätsmedizin Berlin, Berlin, Germany.