Retraction Note: Simple Hemogram To Support The Decision-Making Of Covid-19 Diagnosis Using Clusters Analysis With Self-Organizing Maps Neural Network (Soft Computing, (2023), 27, 6, (3295-3306), 10.1007/S00500-021-05810-5)

The publisher has retracted this article in agreement with the Editor-in-Chief. The article was submitted to be part of a guest-edited issue. An investigation by the publisher found a number of articles, including this one, with a number of concerns, including but not limited to compromised editorial handling and peer review process, inappropriate or irrelevant references or not being in scope of the journal or guest-edited issue. Based on the investigation’s findings the publisher no longer has confidence in the results and conclusions of this article. Authors Alexandra A. de Souza, Roberto Munoz and Leandro A. Silva disagree with this retraction. Authors Danilo Candido de Almeida, Thiago S. Barcelos, Rodrigo Campos Bortoletto, Helio Waldman and Miguel Angelo Goes have not responded to correspondence regarding this retraction.