1. Jesus Anzano:
Department of Analytical Chemistry, University of Zaragoza, Zaragoza, Spain
2. Roberto-Jesus Lasheras:
Department of Analytical Chemistry, University of Zaragoza, Zaragoza, Spain
3. Beatriz Bonilla:
Department of Analytical Chemistry, University of Zaragoza, Zaragoza, Spain
4. Angel Bonilla:
Regional Government of Aragon, Bulding Pignatelli, Spain
5. Javier Lanaja:
Department of Inorganic Chemistry, E.U.I.T.I. Campus Actu, Zaragoza, Spain
6. Spain) Zaragoza:
Department of Environment and Soil Sciences, University of Lleida, Spain
7. Imanol Cia:
Department of Environment and Soil Sciences, University of Lleida, Spain
8. Miguel A. Peribanez:
Department of Animal Pathology, Faculty of Veterinary, Spain
9. Jamil Anwar:
Institute of Chemistry, University of the Punjab, Lahore, Pakistan