**Author details**

Andrés J. Ursa Herguedas1,2,3

1 Teaching officer (health area) Junta de Castilla y León, Spain

2 Illustrius Academy of Health Sciences Dr. Ramón y Cajal, Madrid, Spain

3 Institute of Integrative Medicine, Valladolid, Spain

\*Address all correspondence to: ajursa@educa.jcyl.es

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