The efficacy and tolerability of tetracyclines and clindamycin plus rifampicin for the treatment of hidradenitis suppurativa : Results of a prospective European cohort study - van Straalen, Kelsey R. (Erasmus MC. University Medical Center Rotterdam. Department of Dermatology) ; Tzellos, Thrasyvoulos (Department of Dermatology. Nordland Hospital Trust) ; Guillem, Phillipe (Groupe de Recherche en Proctologie de la Société Nationale Française de ColoProctologie) ; Benhadou, Farida (Department of Dermatology. Université Libre de Bruxelles. Erasme Hospital) ; Cuenca-Barrales, Carlos (TECe19-Clinical and Translational Dermatology Investigation Group Instituto de Investigación Biosanitaria) ; Daxhelet, Mathilde (Department of Dermatology. Université Libre de Bruxelles. Erasme Hospital) ; Daoud, Mathieu (Department of Dermatology. Université Libre de Bruxelles. Erasme Hospital) ; Efthymiou, Ourania (Attikon University General Hospital) ; Giamarellos-Bourboulis, Evangelos J. (Fourth Department of Internal Medicine. National and Kapodistrian University of Athens. Medical School) ; Jemec, Gregor B.E. (Department of Dermatology. Zealand University Hospital. Roskilde and Health Sciences Faculty. University of Copenhagen) ; Katoulis, Alexandros C. (Attikon University General Hospital) ; Koenig, Anke (Department of Dermatology. Venereology and Allergology. University Hospital Frankfurt am Main) ; Lazaridou, Elizabeth (George Papanicolaou General Hospital (Tessalònica, Grècia)) ; Marzano, Angelo V. (Department of Pathophysiology and Transplantation. Università degli Studi di Milano) ; Matusiak, Łucas (Department of Dermatology. Venereology and Allergology. Medical University) ; Molina-Leyva, Alejandro (TECe19-Clinical and Translational Dermatology Investigation Group Instituto de Investigación Biosanitaria) ; Moltrasio, Chiara (Department of Medical Surgical and Health Sciences. University of Trieste) ; Pinter, Andreas (Department of Dermatology. Venereology and Allergology. University Hospital Frankfurt am Main) ; Potenza, Concetta (Dermatology Unit 'Daniele Innocenzi. ' Department of Medical-Surgical Sciences and Biotechnologies. Sapienza University of Rome) ; Romaní, Jorge (Parc Taulí Hospital Universitari. Institut d'Investigació i Innovació Parc Taulí (I3PT)) ; Saunte, Ditte M. (Department of Dermatology. Zealand University Hospital. Roskilde and Health Sciences Faculty. University of Copenhagen) ; Skroza, Nevena (Dermatology Unit 'Daniele Innocenzi. ' Department of Medical-Surgical Sciences and Biotechnologies. Sapienza University of Rome) ; Stergianou, Dimitra (Fourth Department of Internal Medicine. National and Kapodistrian University of Athens. Medical School) ; Szepietowski, Jacek (Department of Dermatology. Venereology and Allergology. Medical University) ; Trigoni, Anastasia (George Papanicolaou General Hospital (Tessalònica, Grècia)) ; Vilarrasa-Rull, Eva (Institut d'Investigació Biomèdica Sant Pau) ; van der Zee, Hessel H. (Erasmus MC. University Medical Center Rotterdam. Department of Dermatology) ; Universitat Autònoma de Barcelona