De Stijl was published by the Dutch painter, designer, writer, and critic Theo van Doesburg that served to propagate the group's theories. Along with Theo van Doesburg, the group's principal members were the painters Piet Mondrian, Vilmos Huszár, and Bart van der Leck, and the architects Gerrit Rietveld, Robert van 't Hoff, and J. J. P. Oud. The artistic philosophy that formed a basis for the group's work is known as "Neoplasticism"—the new plastic art (or "Nieuwe Beelding" in Dutch). According to Theo van Doesburg in the introduction of the magazine "De Stijl" 1917 no.1, the "De Stijl"-movement was a reaction to
Jos van der Meer as a treatment for HIDS. This finding not only provides patients with an effective therapy, but also provides further proof that HIDS is an interleukin-1 disease. Since 1987, van der Meer worked on the role of cytokines in health and inflammatory disease. The work started in Boston and was continued in Nijmegen. In the years to follow, Bart-Jan Kullberg (1992), Mihai Netea (1994) and Leo AB Joosten (2007) joined the group. Major findings of the group are: As a clinician confronted with patients with chronic fatigue syndrome (CFS), van der Meer was intrigued by their suffering. Since 1989 together with