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Acknowledgements. We would like to thank the patients, volunteers, and co-workers of The Cuban National Institute of Angiology and Vascular Surgery (INACV, by its Spanish acronym), La Habana, Cuba, specially to Dr. Jose Ignacio Fernandez Montequín, Ph.D. The present study was reviewed and approved by the Ethics Committee of the INACV according to the ethical principles of the World Medical Association (Declaration of Helsinki). Written informed consent was obtained from all healthy volunteers (without diabetes) and from all people with DFU included in the study. This research was developed as part of the project "Development of methodologies and algorithms aimed at supporting the imaging diagnosis of diabetic foot ulcer" from the National Program of Health Determinants, Risks and Prevention of Diseases in Vulnerable Groups, Code 1901100, National Institute of Hygiene and Epidemiology, Ministry of Public Health, Cuba, 2019-2021. |