[1
]GRID grid.420545.2, St John’s Institute of Dermatology, , Guy’s and St Thomas’ NHS Foundation Trust, ; London, UK
[2
]GRID grid.414125.7, ISNI 0000 0001 0727 6809, Dermatology Unit, , Bambino Gesù Children’s Hospital, ; IRCCS, Rome, Italy
[3
]GRID grid.412134.1, ISNI 0000 0004 0593 9113, Dermatology Department, reference Centre MAGEC, Necker- Enfants Malades Hospital,
, Paris-Centre University, ; Paris, France
[4
]GRID grid.414125.7, ISNI 0000 0001 0727 6809, Genetics and Rare Diseases Research Division, , Bambino Gesù Children’s Hospital, ; IRCCS, Rome, Italy
[5
]GRID grid.412554.3, ISNI 0000 0004 0609 2751, Dermatology Department, Children’s Hospital, , University Hospital Brno, ; Brno, Czech Republic
[6
]GRID grid.412554.3, ISNI 0000 0004 0609 2751, Pediatric Ophthalmology Department, , Children’s Hospital, University Hospital Brno, ; Brno, Czech Republic
[7
]GRID grid.8194.4, ISNI 0000 0000 9828 7548, Paediatric Dermatology Department, , Carol Davila University of Medicine and Pharmacy, ; Bucharest, Romania
[8
]GRID grid.414125.7, ISNI 0000 0001 0727 6809, Endoscopy and Digestive Surgery Unit, , Bambino Gesù Children’s Hospital, ; IRCCS, Rome, Italy
[9
]GRID grid.412134.1, ISNI 0000 0004 0593 9113, Department of Pain and Palliative Medicine, reference Centre MAGEC, Necker- Enfants
Malades Hospital, , Paris-Centre University, ; Paris, France
[10
]GRID grid.5963.9, Department of Dermatology, Medical Center, , University of Freiburg, Faculty of Medicine, University of Freiburg, ; Breisgau, Germany
[11
]GRID grid.412134.1, ISNI 0000 0004 0593 9113, Service de Dermatologie, , Hôpital Necker Enfants Malades, ; 149 rue de Sèvres, 75015 Paris, France
License:
Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License,
which permits use, sharing, adaptation, distribution and reproduction in any medium
or format, as long as you give appropriate credit to the original author(s) and the
source, provide a link to the Creative Commons licence, and indicate if changes were
made. The images or other third party material in this article are included in the
article's Creative Commons licence, unless indicated otherwise in a credit line to
the material. If material is not included in the article's Creative Commons licence
and your intended use is not permitted by statutory regulation or exceeds the permitted
use, you will need to obtain permission directly from the copyright holder. To view
a copy of this licence, visit
http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (
http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a
credit line to the data.