[1] Kings Coll London, Div Genet & Mol Med, London WC2R 2LS, England
[2] Hosp Sultanah Aminah, Dept Dermatol, Johor Baharu, Malaysia
[3] Univ Glasgow, Dept Dermatol, Glasgow G12 8QQ, Lanark, Scotland
[4] Hosp Clin Barcelona, Dept Immunol CDB, Barcelona, Spain
[5] Hosp Infanta Cristina, Dept Dermatol, Badajoz, Spain
[6] Our Ladys Childrens Hosp, Paediat Dermatol, Dublin, Ireland
[7] Trinity Coll Dublin, Med Clin, Dublin, Ireland
[8] Univ Hautklin, Dokumentationszentrum Schwerer Hautreaktionen dZh, Dept Dermatol, Freiburg, Germany
[9] Univ Zurich Hosp, Dept Dermatol, CH-8091 Zurich, Switzerland
[10] Radboud Univ Nijmegen, Med Ctr, Dept Dermatol, NL-6525 ED Nijmegen, Netherlands
[11] Hosp Univ Vall dHebron, Pediat Infect Dis & Immunodeficiencies Unit, Barcelona, Spain
[12] Univ Hosp Geneva, Dermatol Serv, Geneva, Switzerland
[13] Henri Mondor Hosp, Dept Dermatol, Paris, France
[14] Hosp St Joan de Deu, Dept Dermatol, Esplugues, Spain
[15] Queen Mary Univ London, Barts & London Sch Med & Dent, London, England