[1] Hosp La Paz, Cell Therapy Lab, Madrid, Spain
[2] Univ Autonoma Madrid, Dept Biol, Madrid, Spain
[3] Univ Alcala de Henares, Guadaljara Gen Hosp, Dept Pathol, Guadalajara, Spain
[4] Ctr Invest Biol, E-28006 Madrid, Spain
[5] Univ Autonoma Madrid, Dept Morphol, Madrid, Spain