A step beyond the hygiene hypothesis—immune-mediated classes determined in a population-based study oleh Vladeta Ajdacic-Gross, Margot Mutsch, Stephanie Rodgers, Anja Tesic, Mario Müller, Erich Seifritz, En-Young N. Wagner, Roland von Känel, Markus A. Landolt, Nina Steinemann, Viktor von Wyl, Enrique Castelao, Marie-Pierre F. Strippoli, Jennifer Glaus, Caroline Vandeleur, Pedro M. Marques-Vidal, Peter Vollenweider, Martin Preisig