1 Department of Nursery, University of Valladolid, Valladolid, Spain.
2 Recognized research group "Pharmacogenetics, Cancer Genetics, Genetic Polymorphisms and Pharmacoepidemiology", University of Valladolid, Valladolid, Spain.
3 Institute of Applied Ophthalmobiology, University of Valladolid, Valladolid, Spain.
4 Department of Nursery, University of Valladolid, Campus Duques de Soria, Soria, Spain.
5 Centre for Castilla y Leon Pharmacovigilance, Valladolid, Spain.
6 Department of Psychiatry, University of Valladolid, Valladolid, Spain.
7 Department of Biochemistry, Molecular Biology and Physiology, University of Valladolid, Campus Duques de Soria, Soria, Spain.