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1 Faculté de médecine, université de Strasbourg et clinique dermatologique, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, 67091 Strasbourg, France. Electronic address: charles.velter@gmail.com.
2 CHU de Strasbourg, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, 67000 Strasbourg, France.
3 Department of Dermatology, Allergology, and Venereology, Helsinki University Central Hospital, Meilahdentie 2, PO Box 160 00029 HUS, Helsinki, Finland.
1 Faculté de médecine, université de Strasbourg et clinique dermatologique, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, 67091 Strasbourg, France. Electronic address: charles.velter@gmail.com.
2 CHU de Strasbourg, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, 67000 Strasbourg, France.
3 Department of Dermatology, Allergology, and Venereology, Helsinki University Central Hospital, Meilahdentie 2, PO Box 160 00029 HUS, Helsinki, Finland.