ISSN 1390-7581 print version
ISSN 2661-6742 online version

INSTRUCTIONS TO AUTHORS

• SECTIONS AND TYPE OF ARTICLES
• MANUSCRIPT PREPARATION (General guidelines)
• ARTICLES SUBMISSIONS GUIDELINES

The REE sections are to be suited to the typology of the articles included in each publication, they can be as follows.
Editorial: is the responsibility of the chief editors or invited editors, it can contain up to 500 words.
Thematic articles: they should be original and be related to the experimental, conceptual, and assessment of the central theme research results and those whose critical analyses add novel approaches to the health sciences field. The research texts should include up to 5000 words from the introduction to the conclusions. This kind of article should include the following sections: informative sheet, abstract, which should contain up to 250 words, keywords, introduction, material and methodology, results and discussion, conclusions, funding, gratitude, conflict of interests, declaration of contribution, and biographical references. These articles are selected for each publication from the proposals submitted by the researchers spontaneously or from a public called made by the chief editors. Their selection is according to referential terms attached to any of the Health Sciences fields of interest and/or relevance.
Free-themes articles: they are to be original and of the Heath Sciences interest by free authors’ submission. They are to follow the same guidelines as the thematic articles do.
Articles of revision: they are to be texts based exclusively on secondary resources, which follow methods of analysis theoretically recognized, thematic, or of the free themes. They can contain up to 8000 words and 5 authors. They should contain the following sections: informative page, abstract with up to 150 words, and keywords.
Articles of cases presentation: they should contain up to 4000 words and the following sections: informative page, abstract up to 150 words followed by the keywords, introduction, exposition of the material, discussion, conclusion, conflict of interests, contribution declaration, and biographical references.
Opinion articles: their text is to express a classified authors’ view in relation to themes of interest in the REE fields. They should contain up to 2000 words and their sections are the same as the articles of revision are.
Review: a critical analysis of the selected books in the Health Sciences thematic field published in the last two years, which text should contain up to 350 words in no more than two paragraphs, in which the critical appraisal is to be written clearly and concisely. In the review, authors are to include at the beginning of the text the complete reference of the book and as an annex a high-definition copy of the book’s cover in a JPG format.
Letters to the editor: which are to include appraisals or/and criticisms about the REE publications or brief communications in relation to the ongoing original research or meaningful professional experiences in the Health Sciences field or related to it with up to 350 words.

1. The texts are to be written in the Spanish language and the keywords are to coincide with the ones contained in the Health Sciences Descriptors, which acronym is DeCS, catalog, which is on the website: http://decs.bvsalud.org/.
2. The manuscripts are to be digitalized with 1.5 spacing in Times New Roman font, size 12 and 2.5 cm margins in a word format.
3. Footnotes page or at the end of the articles are not accepted.
4. The use of abbreviations and conventions are to be according to the ones adopted and recognized in the specialized disciplines. They should not be written in the title and in the resume. The complete designation to which the abbreviation refers is to be specified as the abbreviation it is written for the first time in the article.
5. The submitted articles are to include an informative page followed by the text in the format established according to the typology of the publication.
6. The tables which express results are to be up to 5 including images and are to be submitted in an editable format and not as images, located in the appropriate place in the text and numbered consecutively as they appear in the text. The data presented in the tables and pictures is not to be a duplication of the results described in other parts of the article.
Avoid the use of vertical lines, use horizontal simple lines, they are to be introduced by a descriptive title, notes, or legend with enough information for its comprehension. The column heading should be explicative and when necessary refer to measure units. The table footnotes are to be located under the table and written in bold. The heading of the table is to be written in the following way: Table #, where the symbol # is to be replaced by the consecutive corresponding number. The images used in diagrams, charts, drawings, pictures, chemical structures, and more on are to be referred as figures inside the text, being numbered with consecutive Arabic numerals in order of appearance in the text body in this way: Figure #, where the symbol # is to be replaced by the consecutive corresponding number.
When a figure consists of several images, this is to be identified with its corresponding number and a consecutive capital letter, for example, Figure 1A, Figure 1B, etc. The preferred number size is of 8.7 mm width in columns, or between 10.5 y 18 cm width in two columns in high definition. When necessary, specifications in relation to the structure or property of interest for the work are presented by a superimposed arrow to indicate it is to be included. The letter size is to be between 6 and 12 units. In the charts which express quantifiable results from statistical analyses, it is recommended to include the indicators that show differences or similarities and the corresponding analyses names and statistics symbols in the legend.
• Specific indications for each part:
The submitted files should follow the established format for each article typology detailed in section ll, the general guidelines in the preparation of the manuscript, and the following specifications.
1. Informative page Título del artículo de no más de 20 palabras, nombres y apellidos completos de los autores, los que serán mencionados en orden según contribución de cada uno, expresando su afiliación en cuanto a entidad(es) en la(s) que labora, realiza proceso de formación, ejercicio docente, etc., deberá indicar país y ciudad donde se ubican las mismas. El autor de correspondencia deberá ser declarado en esta página, reflejando los datos de contacto: teléfono, email y dirección postal completa. The article title with up to 20 words, complete names, and surnames of the authors mentioned according to their contribution detailing their affiliation to an institution or institutions where they work, carry out a training process, teach, etc., including the country and city where those institutions are located.
2. Text:
• Resume: it should be concise, auto explicative, and written in one paragraph with the extension corresponding to the typology of the article submitted. In this section is where the research proposal, the fundamental elements of the methodological design, main results, and conclusions are to be detailed briefly. References such are non-standard and non-common abbreviations are to be avoided.
• Keywords: they are to be written after the resume, be up to 5 and avoid general terms and abbreviations, only those ones established in the field are accepted. As keywords are used for indexing purposes are to coincide with the existing ones in the DeCS catalog, which is accessible through the following link: http://decs.bvs.br/E/DeCS2016_Alfab.htm.
• Introduction: the authors are to expose the state of the art of the article theme avoiding bibliographic revision or a resume of the obtained results from other empirical studies. In addition, the research objectives, the importance, originality, and contribution to new knowledge in the field studied are to be exposed.
• Material and methods: the authors should provide a detailed description of the methods and processes used throughout the study, elements referred to as the population, sample, technics, and materials. Also, the ethical consideration taken into account along the scientific research is to be included in this paragraph such as principles, consents, authorizations, certifications, and others alike. A special emphasis is made on those proposals stemmed from studies based on human beings in which the authors must have a Human Research Ethics Committees (HRECs) certificate and the registration of the research in the National Agency for Regulation, Control and Sanitary Vigilance (ARCSA) and in the Public Health Ministry and in the WHO clinical trials registry platform.
• Results and discussion: can be presented in separated sections or mixed in one section. The results are to be shown concisely in which the use of the necessary tables and figures is recommended. The discussion is to be concise in which the results are compared to the data exposed in previous publications without repeating the obtained ones. The authors are to explain the observed results. The data is to be accompanied by the appropriate statistical analyses, including the complete sample information, the replication, and how the statistical method applied was chosen avoiding extended quotations, published literature discussion, and conjectures in relation to the obtained data.
• Conclusions: The main conclusions of the study are to be shown in this section in a summarized way. • Funding: the authors are to highlight, when applicable, the funding resources which supported the research doing.
• Gratitude: in this section is to be included those people who helped throughout the research, as an example, in the methodological design, the carried out of a particular test, in the writing or critical review assistances. The authors are to be responsible in the obtention of the authorization of the people referred to in the article, non-being the REE responsible for any reclamation in this matter.
• Conflict of interests: the involvement of any institution in the execution of the research in any stage o moment is to be mentioned for recognition and responsibility proposes making authors respect contracts, agreements, and compromises which morally and legally oblige them to make the corresponding recognition to those institutions involved.
• The contribution declaration: the authors’ individual contributions in the realization of the article are to be specified, as an example LM Fernández worked in the conception of the final redaction, CM Rodríguez in the collection of data and in the methodology design.
• Biographical references: they should be cited following the Vancouver style referencing, which can be checked in the following link. It is recommended that at least 50% of these references accomplish the current criteria: books published up to 10 years, magazine articles published up to 5 years, and existing information on recognized official websites. The number of cited books must not exceed 15% of the total references and the number of recognized websites must not exceed 5% of the references.

ARTICLES SUBMISSIONS GUIDELINES