Table 1

Authors’ requirements and provision of editors’ individual conflicts of interest (CoI) disclosures in the websites of the five top-ranked journals of 26 categories as per 2017 JCR impact factor (IF) and their link to a third party. Inclusion of journals in the ICMJE Recommendations list of followers and as COPE members (as of 14 November 2018)

JCR categoryJournal2017 IFLinked* to a college, professional association/society or public institutionICMJE Recommendations follower†COPE member†Author’s CoI individual disclosure requiredEditor’s CoI individual declaration provided
Allergy Journal of Clinical Allergy and Clinical Immunology 13.3YesYesYesYesNo
Journal of Clinical Allergy and Clinical Immunology in Practice 7.0YesNoYesYesNo
Clinical Reviews in Allergy & Immunology 6.1NoNoYesYesNo
Allergy 6.0YesNoYesYesNo
World Allergy Organization Journal 5.7YesNoYesYes‡No
Anaesthesiology Anesthesiology 6.5YesNoYesYesYes
British Journal of Anaesthesia 6.5YesYesYesYesNo
Pain 5.6YesYesYesYesNo
Anaesthesia 5.4YesYesYesYesNo
Regional Anesthesia and Pain Medicine 4.7YesYesYesYes§No
Cardiology and cardiovascular systems European Heart Journal 23.4YesYesYesYesNo
Circulation 18.9YesYesNoYesNo
Journal of the American College of Cardiology 16.8YesYesYesYesYes¶
Circulation Research 15.2YesNoYesYesNo
Nature Reviews Cardiology 15.2NoNoYesYesNo
Clinical neurology Lancet Neurology 27.1NoNoYesYesNo
Nature Reviews Neurology 19.8NoNoYesYesNo
Acta Neuropathologica 15.9NoNoNoYesNo
Alzheimer’s & Dementia 12.8YesNoYesYesNo
JAMA Neurology 11.5YesYesNoYesNo
Critical care medicine Lancet Respiratory Medicine 21.5NoNoYesYesNo
American Journal of Respiratory and Critical Care Medicine 15.2NoYesYesYesYes
Intensive Care Medicine 15.0YesNoYesYesNo
Chest 7.7YesYesYesYesNo
Critical Care Medicine 6.6YesNoYesYesNo
Dermatology JAMA Dermatology 8.1YesYesNoYesNo
Journal of the American Academy of Dermatology 6.9YesYesYesYesNo
Journal of Investigative Dermatology 6.4YesNoYesYesNo
British Journal of Dermatology 6.1YesNoYesYesNo
Pigment Cell & Melanoma Research 6.1YesNoYesYesNo
Endocrine and metabolism Cell Metabolism 20.6NoNoYesYesNo
Nature Reviews Endocrinology 20.3NoNoYesYesNo
Lancet Diabetes & Endocrinology 19.3NoNoYesYesNo
Endocrine Reviews 15.6YesNoYesYes‡No
Diabetes C are 13.4YesYesYesYesNo
Gastroenterology and hepatology Gastroenterology 20.8YesYesYesYesYes
Nature Reviews Gastroenterology & Hepatology 17.3NoNoYesYesNo
Gut 17.0NoYesYesYesYes**
Journal of Hepatology 15.0YesYesYesYesNo
Hepatology 14.1YesNoNoYesNo
Haematology Blood††15.1YesYesYesYesYes
Lancet Haematology 10.7NoNoNoYesNo
Leukemia 10.0NoNoYesYesNo
Haematologica 9.1YesYesNoYesNo
Journal of Hematology & Oncology 7.3YesNoYesYes‡No
Immunology Nature Reviews Immunology 42.0NoNoYesYesNo
Annual Review of Immunology 22.7NoNoNoYes‡No
Nature Immunology 21.8NoNoYesYes‡No
Immunity 19.7NoNoYesYesNo
Trends in Immunology 14.2NoNoNoYesNo
Infectious diseases Lancet Infectious Diseases 25.1NoNoYesYesNo
Lancet HIV 11.4NoNoNoYesNo
Clinical Infectious Diseases 9.1YesYesYesYesNo
Emerging Infectious Diseases 7.4YesYesNoYesNo
Eurosurveillance 7.1YesYesNoYesNo
Medicine general and internal New England Journal of Medicine 79.3YesYes‡‡YesYesNo
Lancet 53.3NoYes‡‡YesYesNo
JAMA 47.7YesYes‡‡NoYesNo
BMJ 23.6YesYes‡‡YesYesYes
JAMA Internal Medicine 20.0NoYesNoYesNo
Obstetrics and gynaecology Human Reproduction Update 11.9YesNoYesYesNo
American Journal of Obstetrics and Gynecology 5.7YesYesYesYesNo
Ultrasound in Obstetrics & Gynecology 5.7YesNoYesYesNo
Human Reproduction 5.0YesNoYesYesNo
Obstetrics and Gynecology 5.0YesNoYesYesNo
Oncology CA-A Cancer Journal for Clinicians 244.6YesNoYesYesYes
Nature Reviews Cancer 42.8NoNoYesYesNo
Lancet Oncology 36.4NoNoYesYesNo
Journal of Clinical Oncology 26.4YesNoNoYesYes
Nature Reviews Clinical Oncology 24.7NoNoYesYesNo
Ophthalmology Progress in Retinal and Eye Research 11.7NoNoNoYesNo
Ophthalmology 7.5YesYesNoYesNo
JAMA Ophthalmology 6.7YesYesNoYesNo
Ocular Surface 5.5NoNoNoYesNo
Annual Review of Vision Science 5.1NoNoNoYes‡No
Orthopaedics American Journal of Sports Medicine 6.1YesNoYesYesNo
Osteoarthritis and Cartilage 5.5YesYesYesYesNo
Journal of Bone and Joint Surgery - American Volume 4.6NoNoYesYesYes
Journal of Physiotherapy 4.5YesYesYesYesNo
Arthroscopy 4.3YesNoNoYesNo
Paediatrics JAMA Pediatrics 10.8YesYesNoYesNo
Journal of the American Academy of Child and Adolescent Psychiatry 6.2YesYesYesYesNo
Pediatrics 5.5YesYesYesYesNo
Pediatric Allergy and Immunology 4.1YesNoYesYesNo
Journal of Adolescent Health 4.1YesNoYesYesNo
Peripheral vascular diseases Hypertension§§6.8YesYesYesYesNo
Stroke 6.2YesYesYesYesNo
Arteriosclerosis,T hrombosis, and Vascular Biology 6.1YesNoYesYesNo
Thrombosis and Haemostasis 5.0YesYesNoYesNo
Journal of Thrombosis and Haemostasis 4.9YesYesYesYesNo
Primary healthcare Annals of Family Medicine 4.5YesYesNoYesNo
British Journal of General Practice 3.3YesNoYesYesNo
Journal of the American Board of Family Medicine 2.5YesYesNoYesNo
npj Primary Care Respiratory Medicine 2.5YesNoYesYesNo
BMC Family Practice 2.0NoNoYesYes‡No
Psychiatry World Psychiatry 30.0YesNoNoNoNo
JAMA Psychiatry 16.6YesYesNoYesNo
Lancet Psychiatry 15.2NoNoYesYesNo
American Journal of Psychiatry 13.4YesYesNoYesNo
Psychotherapy and Psychosomatics 13.1NoYesNoYesNo
Public, environmental and occupational health Lancet Global Health 18.7NoNoYesYesNo
MMWR- Morbidity and Mortality Weekly Report 12.9YesNoNoYesNo
Annual Review of Public Health 9.4NoNoNoYes‡No
Environmental Health Perspectives 8.4 YesNoYesYesNo
International Journal of Epidemiology 8.4YesYesYesYesNo
Radiology, nuclear medicine and medical imaging JACC-Cardiovascular Imaging 10.2YesNoYesYesYes¶
European Heat Journal-Cardiovascular Imaging 8.3YesNoYesYesNo
European Journal of Nuclear Medicine and Molecular Imaging 7.7YesNoYesYesNo
Radiology 7.5YesYesNoYesNo
Journal of Nuclear Medicine 7.4YesNoNoYesNo
Respiratory system European Respiratory Journal¶¶12.2YesYesYesYesYes
Journal of Thoracic Oncology 10.3YesNoYesYes‡No
Thorax 9.7YesYesYesYesYes***
Journal of Heart and Lung Transplantation 8.0YesNoYesYesNo
Journal of Thoracic and Cardiovascular Surgery 4.9YesYesYesYesNo
Rheumatology Nature Reviews Rheumatology 15.7NoNoYesYesNo
Annals of the Rheumatic Diseases 12.4YesYesYesYesYes**
Arthritis & Rheumatology 7.8YesNoYesYesNo
Seminars in Arthritis and Rheumatism 4.4NoNoYesYesNo
Surgery Annals of Surgery 9.2YesYesYesYesNo
JAMA Surgery 8.5YesYesNoYesNo
Journal of Neurology, Neurosurgery and Psychiatry‡‡‡7.1NoYesYesYesYes**
Endoscopy 6.6NoYesNoYesNo
American Journal of Transplantation 6.5YesYesYesYesNo
Urology and nephrology European Urology 17.6YesYesYesYesYes
Nature Reviews Nephrology 14.1NoNoYesYesNo
Journal of the American Society of Nephrology 8.7YesYesYesYesNo
Kidney International 8.4YesNoYesYesNo
Nature Reviews Urology 8.1NoNoYesYesNo
  • *Official journal, or affiliated to or published by or on behalf of.

  • †Website information.

  • ‡Available through the editorial group websites (eg, Annual Review author resource centre; BMC editorial policies; Endocrine society; Nature authors and editors policies).

  • §Available through the submission service site.

  • ¶Including amount of USA$ (modest up to less than USA$5000, or significant USA$ 5000 or more).

  • **Only that of the editor(s) but no information is provided regarding deputy editors and associate editors.

  • ††The journal ranked as No 1 is Circulation Research which is included in Cardiology and Cardiovascular Systems.

  • ‡‡ICMJE member journal.

  • §§Journals ranked as No 1 and No 2 are Circulation and Circulation Research which are included in Cardiology and Cardiovascular Systems.

  • ¶¶The journals ranked as No 1 and No 2 are Lancet Respiratory Medicine and American Journal of Respiratory and Critical Care Medicine, which are included in Critical Care Medicine.

  • ***Only of some editors but not from all members of the editorial team.

  • †††The journal ranked as No 4 is Osteoarthritis and Cartilage, which is included in Orthopaedics.

  • ‡‡‡The journal ranked as No 3 is Journal of Heart and Lung Transplantation which is included in Respiratory System.

  • COPE, Committee on Publication Ethics; CoI, conflict of interest; ICMJE, International Committee of Medical Journal Editors; JCR, Journal Citation Report.