1. Penitentiary Center Alicante II, Carretera N-330, Km. 66, 03400 Villena, Spain
2. Instituto Universitario de Matemática Multidisciplinar, Universitat Politècnica de València, Camino de Vera, s/n, 46022 Valencia, Spain
3. Department of Microbiology, Immunology and Pathology, Children’s Hospital of Mexico Federico Gomez, Dr. Márquez 162, Ciudad de Mexico 06720, Mexico
4. Department of Community Nursing, Preventive Medicine and Public Health and History of Science, University of Alicante, San Vicente del Raspeig, 03690 Alicante, Spain