1. PhD Postdoctoral Grant, Unidad Asociada de Investigación IRNASA (CSIC)–Universidad de Salamanca, Cordel de Merinas 40-52, 37008 Salamanca, Spain.
2. PhD Posdoctoral Grant, Univ. of Salamanca, Plaza de Los Caídos, s/n, 37008 Salamanca, Spain.
3. PhD Lecturer of Statistics, Univ. of Salamanca, Espejo 2, 37007 Salamanca, Spain.
4. PhD Full Professor of Inorganic Chemistry, Univ. of Salamanca, Plaza de La Merced, s/n, 37008 Salamanca, Spain. E-mail: