[1] NIMH, CLIN SCI LAB, BETHESDA, MD 20205 USA
[2] NIH, FOGARTY INT CTR, BETHESDA, MD 20205 USA
[3] KAROLINSKA INST, DEPT HIST, S-10401 STOCKHOLM 60, SWEDEN
[4] KAROLINSKA INST, DEPT ANAT, S-10401 STOCKHOLM 60, SWEDEN
[5] ERASMUS UNIV, DEPT ANAT, 3000 DR ROTTERDAM, NETHERLANDS
[6] ERASMUS UNIV, DEPT INTERNAL MED, 3000 DR ROTTERDAM, NETHERLANDS
[7] ERASMUS UNIV, DEPT CLIN ENDOCRINOL, 3000 DR ROTTERDAM, NETHERLANDS
[8] FREE UNIV AMSTERDAM, DEPT PHARMACOL, 1007 MC AMSTERDAM, NETHERLANDS
[9] CATHOLIC UNIV NIJMEGEN, DEPT ANAT & EMBRYOL, NIJMEGEN, NETHERLANDS
[10] UNIV OXFORD, DEPT ANAT, OXFORD, ENGLAND
[11] NYU, DEPT PSYCHIAT, NEW YORK, NY 10003 USA