European Position Paper on Rhinosinusitis and Nasal Polyps 2020

Amsterdam University Medical Centers, Royal National Throat Nose and Ear Hospital, St Thomas' Hospital, Ghent University Hospital, KU Leuven, Northwestern University, University of Helsinki, Helsinki University Hospital, Universitat de València, Hospital Quirónsalud Barcelona, Hospital Clínic de Barcelona, Universitat de Barcelona, Universidade de São Paulo, Karolinska Institutet, Comer Children's Hospital, Copenhagen University Hospital, Rigshospitalet, Royal Women's Hospital, The University of Queensland, Royal Brisbane and Women's Hospital, Royal Hospital for Women, University of Pennsylvania, AHEPA University Hospital, Hôpital Pellegrin, Université de Montréal, Lund University, Charles University, HAL Allergy (Netherlands), Skåne University Hospital, University of Auckland, University of Zagreb, Macquarie University, Sisters of Charity Hospital, Zagreb School of Business, Observational & Pragmatic Research Institute, University Hospital of Geneva, University of Antwerp, University of Beira Interior, Ankara University, Paracelsus Medical University, Charité - Universitätsmedizin Berlin, National University of Ireland, APC Microbiome Institute, University of East Anglia, James Paget University Hospital, University of Edinburgh, Medical University of South Carolina, University of North Carolina Health Care, Oregon Health & Science University, Medical University of Graz, National University of Singapore, Eye & ENT Hospital of Fudan University, Zentrum für Rhinologie und Allergologie, Beijing Tongren Hospital, University of Malta, Sultan Qaboos University, Iuliu Hațieganu University of Medicine and Pharmacy, Dubai Hospital, University of Banja Luka, King Saud University, Jordan University of Science and Technology, University of Sulaimani, Leiden University Medical Center, University of Insubria, Universidad de Antioquia, University Hospital Münster, Omar Al-Mukhtar University, Hillel Yaffe Medical Center, Medical University of Warsaw, Makerere University, Pontificia Universidad Católica de Chile, Newcastle University, University of Toronto, Kilimanjaro Christian Medical Centre, Agostino Gemelli University Polyclinic, Université Paris-Est Créteil, American University of Beirut, Cairo University, CHU Dinant Godinne UCL Namur, Gulf Research Center, Bushehr University of Medical Sciences, University of Milan, Ivano-Frankivsk National Medical University, University of Alabama at Birmingham, Unidade Local de Saúde de Entre Douro e Vouga, Juraj Dobrila University of Pula, Polytechnic Pula, University Kebangsaan Malaysia Medical Centre, Universidad Nacional de Asunción, National Defence University of Malaysia, Universiti Malaysia Sarawak, Vilnius University, Ss. Cyril and Methodius University in Skopje, University of Novi Sad, Klinički centar Vojvodine, Mulago Hospital, First Pavlov State Medical University of St. Petersburg, Saint-Petersburg Research Institute of Ear, Throat, Nose and Speech, Royal National Orthopaedic Hospital, University College London, Shimane University, University of Shimane, University of Southern Denmark, Kyung Hee University, Pontificia Universidad Católica del Ecuador, Russian Society of Cardiology, Policlinica Metropolitana, Centre Hospito Universitaire de Sétif, Mayo Clinic Hospital, University of Kinshasa, Universidad de Costa Rica, Khalili Hospital, International University of Health and Welfare, Hacettepe University, National University Hospital, University of Utah, University of Blida, University of Health Science, Sağlık Bilimleri Üniversitesi, University of Health Sciences Antigua, Military Medical Academy, Jikei University School of Medicine, University of Crete, University of Malaya, The University of Adelaide, ETH Zurich, Royal Australasian College of Surgeons, UCLouvain, Tunis El Manar University, Carol Davila University of Medicine and Pharmacy, Korle Bu Teaching Hospital, Seoul National University, New Generation University College, Seoul National University Hospital, Sun Yat-sen University, The First Affiliated Hospital, Sun Yat-sen University, Emirates Foundation, University Hospital Ulm, Yerevan State Medical University, University Hospital Bratislava, Comenius University Bratislava, Royal College of Surgeons in Ireland, Ljubljana University Medical Centre, Karolinska University Hospital, Airlangga University, University of Bergen, Siriraj Hospital, Mahidol University, Chulalongkorn University, Vietnam National University Ho Chi Minh City, Hospital Nacional de Niños Bloom, Medical University Plovdiv, St. Luke's Medical Center, Düsseldorf University Hospital, Heinrich Heine University Düsseldorf, Rumah Sakit Umum Pusat Nasional Dr. Cipto Mangunkusumo, University Hospital of Basel, University of Alberta, Institute of Otolaryngology named after Prof. A.I. Kolomiychenko of the National Academy of Medical Sciences of Ukraine, University of Szeged, Waterlandziekenhuis