Instructions to Authors

AIMS AND SCOPE

The Portuguese Journal of Nephrology and Hypertension is the official organ of the Portuguese Society of Nephrology and is published quarterly. Supplementary issues are also published including selected themes, at the discretion of the Editor-in-Chief, as well as abstracts of the annual congresses of the Society. The Journal is peer-reviewed and is indexed in Thompson Reuter’s SciELO Citation Index, with free online access in our website http://www.spnefro.pt/RPNH.

The Journal publishes articles on clinical or laboratory topics of relevance to nephrology, dialysis, transplantation and hypertension. Papers relating to basic immunology, physiology, genetics and epidemiology are accepted when kidney-related. Manuscripts must be submitted in English to the Editor-in-Chief. Only previously unpublished work should be submitted. The Editor-in-Chief has complete editorial freedom.

The Journal complies with the Uniform Requirements for Manuscripts Submitted to Biomedical Journals produced by the ICMJE (International Committee of Medical Journal Editors).
Visit http://www.icmje.org

REVIEW AND PUBLICATION SPEED

All submissions will be subject to an immediate editorial screening process by the Editor-in-Chief after which they will normally be sent to two or three reviewers. The Editor-in-Chief will make every effort to reach a decision on all submitted papers within 8 weeks of receipt. Papers will normally be published in the next issue to go to press after their acceptance. Papers that do not meet the scientific standards of the Journal may be declined by the Editor-in-Chief without further review.

CONTENT TYPES

The Portuguese Journal of Nephrology and Hypertension publishes: 1) Editorials; 2) Review Articles; 3) Original Articles; 4) Case Reports; 5) Letters to the Editor; 6) Nephropathology Quiz; 7) Perspective; 8) Comments.

Editorials
Editorials are usually invited, but authors may propose a paper for the Editor-in-Chief’s consideration. They may have up to 2000 words and a maximum of 2 tables or figures. A maximum of 5 references is generally recommended.

Review Articles
Review articles should provide novel insights and comprehensive analyses of topics on Nephrology, and interpretation of the published literature. They are usually commissioned by the Editors. However, unsolicited reviews will be considered. These articles may have up to 5000 words and an abstract of up to 300 words. The use of 3 tables or figures is acceptable. A maximum of 70 references is generally recommended.

Original Articles
An original article must focus on relevant clinical investigation or basic research, and is limited to 4000 words including an abstract with up to 300 words. The order of the text should be as follows: Introduction, Subjects and Methods (any statistical method must be detailed in this section), Results and Discussion. A maximum of 50 references is generally recommended.

Case Reports
Original and succinct description structured in Introduction, Case Report and Discussion. They should not exceed 2500 words (including an abstract up to 300 words) and should not include more than 4 tables or figures. A maximum of 30 references is generally recommended.

Letters to the Editor
Letters must contain information related to an article published in the Journal or may concern a topic of current interest in Nephrology. Letters (maximum of 3 authors) are limited to 500 words and 1 table or figure. A maximum of 5 references is generally recommended.

Nephropathology Quiz
A case report to educate clinicians on the renal pathology. This section includes a concise clinical history, images of histology and discussion. These articles are usually invited and are limited to 2000 words, 8 figures and 20 references.

Perspective
Perspective articles are brief, accessible pieces covering a wide variety of timely topics of relevance to health care and medicine. They are nearly always solicited, although unsolicited articles may occasionally be considered. Perspective articles are limited to 1000 to 1200 words and may include one figure or table. A maximum of 8 references is generally recommended.

Comments
Comments usually provide commentary and analysis concerning an article in the issue of the Journal in which they appear. They may also provide commentary concerning an article published elsewhere. They may include 1 figure or table. They are nearly always solicited, although unsolicited comments may occasionally be considered. Comments are usually limited to 1000 words, with up to 10 references.

INSTRUCTIONS FOR AUTHORS

Manuscripts must be submitted online http://rpnh.spnefro.pt. Once you have prepared your manuscript according to the Instructions below, please pay particular attention to the sections on Informed Consent and Ethics and Disclosure.

The text should be double-spaced. The corresponding author should describe the contributions of all authors to the article. Manuscripts should bear the name, address and e-mail of the corresponding author.

Should the manuscript be accepted for publication the authors will be asked to give signed consent for publication in a letter which must contain the statement that “the results presented in this paper have not been published previously, in whole or in part, except in abstract form”.

Title Page: The title page should carry the full title of the paper and the first name, middle initial (if applicable) and last name of each author, plus the names and addresses of the respective institutions where the work was done; in the case of different institutions the author(s) should be identified using superscript Arabic numerals.

Abstract: Not more than 300 words. Abbreviations should not be used.

Key-Words: Not more than 6, in alphabetical order, and the terms used (when possible) should be from the Medical Subject Headings list of the Index Medicus.

References: Authors are responsible for bibliographic accuracy. All the references, including those with only electronic sources, should be cited according to the “Vancouver Citation Style” which can be consulted on the Internet at: http://library.vcc.ca/downloads/VCC_VancouverStyleGuide.pdf

References must be numbered consecutively in the order in which they are cited in the text. Each reference should give the name and initials of all authors unless they are more than six, when only the first three should be given followed by et al. Authors’ names should be followed by the title of the article, journal abbreviations according to the style used in Index Medicus, the year of publication, the volume number and the first and last page numbers. For papers in the course of publication, “in press” replaces the date; the journal name must be given in the references. Manuscripts that are unpublished, in preparation, or submitted, and personal communications should not be cited in the reference list but may appear parenthetically in the text. References to books should contain the author(s) name(s) and initials, the title of the book, followed by place of publication, publisher, year, and relevant pages. Websites must be referenced by the following order: title, URL and access date.

Examples

1. Journals:
Hogan J, Mohan P, Appel GB. Diagnostic tests and treatment options in glomerular disease: 2014 update. Am J Kidney
Dis 2014;63(4):656-666

2. Books:
Morris Peter, Knechtle Stuart. Kidney Transplantation - Principles and Practice. 7th Edition. Saunders, 2014:72

3. Website:
Substitutive Renal Therapy of Chronic Renal Disease in Portugal.
Available at http:www.spnefro.pt/comissoes_Gabinete_registo_2013/registo_2013.
Accessed October 6, 2013.

4. Published Meeting Abstract:
Jorge Silva, Jorge Antunes, Telmo Carvalho, Pedro Ponce.
Efficacy of preventing hemodialysis catheter infections with citrate lock (Encontro Renal abstract SE001). Port J Nephrol Hypert 2011; 25(1):56

Tables: Tables should supplement, not duplicate, the information in the main text. References to tables should be made in order of appearance in the text and should be in Roman numerals in brackets, e.g. (Table II). Each table should be typed on a separate sheet and have a brief heading describing its contents.

Figures: All illustrations (transparencies, photographs, diagrams, graphs, etc.) should be labelled consecutively in Arabic numerals (Fig. 1, 2...), according to their relative positions in the text. If a figure has been published before, the original source must be acknowledged and written permission from the copyright holder must be submitted with the material.

Informed Consent and Ethics: Identifying details of patients should not be published in descriptions unless the information is essential for scientific purposes and the patient gives written informed consent for publication. Patients shown in photographs should have their identity obscured or the picture must be accompanied by written permission to use the photograph.

When reporting experiments on human subjects, it is mandatory to indicate whether the procedures were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975 (revised in 2015) and, in the case of renal transplant, the Declaration of Istanbul.

When reporting experiments on animals, authors should indicate whether the institutional and national guide for the care and use of laboratory animals was followed.

Disclosure: Each manuscript must include a conflict of interest statement before the References section. The disclosure statement will describe the sources of any support for the work in the form of grants, consulting fees or honoraria from industry, equipment, provision of drugs, travel related with the study or any combination thereof. Any relevant financial activities outside the submitted paper but considered stakeholders in the field must be detailed. The corresponding author should provide a Conflict of Interest Declaration describing the possible financial interests of all the authors. The absence of any interest must also be declared.

Acknowledgements should be located in the manuscript body before the conflict of interest statement.

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