BMJ Publishing Group
Elsevier
Den norske legeforening
Open Systems Publication
Wolters Kluwer Medknow Publications
State Institution of Science «Research and Practical Center of Preventive and Clinical Medicine» State Administrative Department
Karger Publishers
Archives of Global Professionals
Norwegian Nurses Organisation
Universitas Gadjah Mada
Non-state educational institution «Kazakh-Russian Medical University»
Institute of Oncology, Sremska Kamenica, Serbia
Pontificia Universidad Católica de Chile