1 Department of Biological, Geological and Environmental Sciences (BiGeA), Laboratory of Molecular Anthropology & Centre for Genome Biology, University of Bologna, 3, Selmi - 40126 Bologna, Italy; Department of Molecular Biology in Medicine, Civil Hospital of Guadalajara, Fray Antonio Alcalde, Health Sciences Center, University of Guadalajara, Hospital # 278, Col. El Retiro, 44280 Guadalajara, Jalisco, Mexico. Electronic address: claudiaojedagranados@hotmail.com.
2 Department of Molecular Biology in Medicine, Civil Hospital of Guadalajara, Fray Antonio Alcalde, Health Sciences Center, University of Guadalajara, Hospital # 278, Col. El Retiro, 44280 Guadalajara, Jalisco, Mexico. Electronic address: soniamariaroman@hotmail.com.