European Surveillance System on Contact Allergies (ESSCA) : Contact allergies in relation to body sites in patients with allergic contact dermatitis - Oosterhaven, Jart A. F. (University of Groningen, University Medical Centre Groningen) ; Uter, Wolfgang (Friedrich-Alexander-University Erlangen/Nürnberg) ; Aberer, Werner (Medical University of Graz) ; Armario Hita, José Carlos (Hospital Universitario Puerto Real (Cadis)) ; Ballmer-Weber, Barbara K. (University Hospital Zurich (Suïssa)) ; Bauer, Andrea (University Hospital Carl Gustav Carus, University Allergy Centre, Technical University Dresden) ; Czarnecka-Operacz, Magdalena (Poznan University of Medical Sciences) ; Elsner, Peter (Jena University Hospital (Alemania)) ; García-Gavín, Juan (Complejo Hospitalario Universitario de Santiago de Compostela) ; Giménez-Arnau, Ana M.. 1961- (Hospital del Mar (Barcelona, Catalunya)) ; John, Swen M. (Institute for Interdisciplinary Dermatologic Prevention and Rehabilitation (iDerm), Lower Saxony Institute for Occupational Dermatology (NIB), University of Osnabrück) ; Kręcisz, Beata (The Jan Kochanowski University) ; Mahler, Vera (Paul-Ehrlich-Institut) ; Rustemeyer, Thomas (Amsterdam UMC. University Medical Center) ; Sadowska-Przytocka, Anna (Poznan University of Medical Sciences) ; Sánchez-Pérez, Javier (Hospital Universitario de la Princesa (Madrid)) ; Simon, Dagmar (Bern University Hospital) ; Valiukevičienė, Skaidra (Lithuanian University of Health Sciences) ; Weisshaar, Elke (University of Heidelberg) ; Schuttelaar, Marie L. A. (University of Groningen, University Medical Centre Groningen) ; Universitat Autònoma de Barcelona