[1] University of Cambridge,Wellcome Trust Centre for Stem Cell Research & Department of Biochemistry
[2] Max-Planck Institute of Immunobiology,undefined
[3] World Wide Medicinal Chemistry,undefined
[4] Pfizer Ltd,undefined
[5] Present addresses: Cancer Institute,undefined
[6] University College London,undefined
[7] Paul O’Gorman Building,undefined
[8] 72 Huntley Street,undefined
[9] London WC1E 6BT,undefined
[10] UK (J.W.); Instituto de Fisiologı´a Celular,undefined
[11] División de Neurociencias,undefined
[12] UNAM,undefined
[13] Circuito Exterior s/n,undefined
[14] Ciudad Universitaria,undefined
[15] México,undefined
[16] DF 04510,undefined
[17] Mexico (S.G-L.); Miltenyi Biotec GmbH,undefined
[18] Friedrich-Ebert-Straße 68,undefined
[19] 51429 Bergisch Gladbach,undefined
[20] Germany (D.E.),undefined