2. Materials and methods 2.1. Animals All procedures were conducted according to the guidelines of the Council Directive 86/609/EEC on the protection of animals used for experimental and other scientific purposes (E.U., 1986).
2. Materials and methods2.1. AnimalsAll procedures were conducted according to the guidelines of the Council Directive 86/609/EEC on the protection ofanimals used for experimental and other scientific purposes (E.U., 1986).