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1 Immunologie clinique, centre hospitalier Lyon-Sud, 165, chemin du Grand Revoyet, 69310 Pierre-Bénite, France. Electronic address: catherine.goujon@chu-lyon.fr.
2 Service de dermatologie, hôpital Saint-Louis, 1, avenue Claude-Vellefaux, 75010 Paris, France.
1 Immunologie clinique, centre hospitalier Lyon-Sud, 165, chemin du Grand Revoyet, 69310 Pierre-Bénite, France. Electronic address: catherine.goujon@chu-lyon.fr.
2 Service de dermatologie, hôpital Saint-Louis, 1, avenue Claude-Vellefaux, 75010 Paris, France.