Ethical treatment of animals
Sampling work, measuring methods and tissue collection were performed in accordance with relevant guidelines and regulations approved by the Junta de Castilla y León (Consejería de Medio Ambiente) under license E.P. 117/2001, the Junta de Castilla La Mancha (Consejería de Agricultura) under license DGMEN/SEN/avp_15_096_aut, and the Comunidad de Madrid (Consejería de Medio Ambiente y Ordenación del Territorio) under license 10/089301.9/15.