Pathogenesis of Autoimmune Disease Martin Röcken, Tilo Biedermann \nAutoantibody Detection Using Indirect Immunofluorescence on HEp-2 Cells Philipp von Landenberg \nAutoimmune Bullous Skin Disorders: Pemphigus Michael Hertl and Rüdiger Eming. Bullous Pemphigoid: Clinical features, diagnostic markers, and immunopathogenic mechanisms Giovanni Di Zenzo, Emmanuel Laffitte, Giovanna Zambruno and Luca Borradori. Dermatitis Herpetiformis Duhring Christian Rose and Detlef Zillikens. Epidermolysis Bullosa Acquisita Gene Kim, Mei Chen, Dafna Hallel-Halevy, and David T. Woodley \nScleroderma: Localized Scleroderma Dr. Cristián Vera Kellet, Dr. Catherine H. Orteu, and Dr. Jan P. Dutz. Progressive Systemic Scleroderm Nicolas Hunzelmann and Thomas Krieg \nLupus Erythematosus: Chronic Cutaneous Lupus Erythematosus Michael Sticherling. Subacute Cutaneous and Systemic Lupus Erythematosus Donna M. Pellowski, Jane E. Kihslinger, and Richard D. Sontheimer \n Dermatomyositis Ruth Ann Vleugels and Jeffrey P. Callen \nMixed Connective Tissue Disease Reiji Kasukawa \nSjögren\'s Syndrome Robert I. Fox and Carla M. Fox \nPsoriasis Vulgaris and Arthopathica Arnd Jacobi and Jörg Christoph Prinz \nChronic Urticaria as an Autoimmune Disease Clive Grattan, Michihiro Hide, and Malcolm W. Greaves \nLichen Planus, Lichenoid Eruptions and Cutaneous Graft-Versus-Host-Reaction Miklós Simon Jr. \nSmall Vessel Vasculitides Peter Lamprecht and Wolfgang L. Gross \nSkin Manifestations of Rheumatic Diseases Camille Francès and Nicolas Kluger \nVitiligo Karin U. Schallreuter \nAlopecia areata Pia Freyschmidt-Paul, Kevin McElwee, and Rolf Hoffmann \nAutoimmune phenomena in atopic dermatitis Caroline Bussmann and Natalija Novak \nEosinophils in autoimmune bullous diseases Dagmar Simon and Hans-Uwe Simon \nParaneoplastic syndromes of the skin Peter Fritsch \nTargeted Therapies in Autoimmune 19 and Inflammatory Skin Disorders Rüdiger Eming and Ingo H. Tarner