[1] Case Western Reserve Univ, Biomed Engn, Cleveland, OH 44106 USA
[2] Univ Nacl Colombia, Bogota, Colombia
[3] Yale Univ, Pathol, New Haven, CT USA
[4] Case Western Reserve Univ, Pathol, Cleveland, OH 44106 USA
[5] Yale Univ, Sch Med, Dept Pathol, New Haven, CT 06510 USA
[6] Cleveland Clin, Pepper Pike, OH USA