Szczeklik is a member of numerous scientific societies, such as the Pontifical Academy of Sciences in the Vatican and Royal College of Physicians in London, UK (honorary member), American Academy of Allergy Asthma and Immunology, European Academy of Allergy Clinical Immunology, European Respiratory Society, International Society of Thrombosis Haemostasis, Polish Academy of Sciences.
The project collates content from the European Respiratory Society and the American Thoracic Society, who together account for 30% of citations within the field of respiratory medicine.
European Union | European Parliament | Member of the European Parliament | Society of Jesus | Royal Society | European Commission | National Geographic Society | American Cancer Society | European Space Agency | European | European Court of Human Rights | European Court of Justice | Royal Television Society | American Physical Society | European Economic Community | West Midlands (European Parliament constituency) | American Chemical Society | International Society for Krishna Consciousness | American Society of Civil Engineers | Royal Society of Canada | European People's Party | Royal Geographical Society | American Philosophical Society | Theosophical Society | Royal Society of Edinburgh | Indo-European languages | Society of Antiquaries of London | Society of the Cincinnati | Society for the Prevention of Cruelty to Animals | Party of European Socialists |