[1] KAROLINSKA INST, INST ENVIRONM MED, S-10401 STOCKHOLM 60, SWEDEN
[2] AGR UNIV WAGENINGEN, DEPT TOXICOL, 6700 HB WAGENINGEN, NETHERLANDS
[3] NIOSH, CINCINNATI, OH 45226 USA
[4] WAYNE STATE UNIV, DEPT PSYCHOL, DETROIT, MI 48202 USA
[5] ENVIRONM CANADA, CANADIAN WILDLIFE SERV, HULL, PQ, CANADA
[6] GESELL STRAHLENFORSCH, INST OKOL, NEUHERBERG, GERMANY
[7] UNIV ZURICH, INST TOXICOL, CH-8603 SCHWERZENBACH, SWITZERLAND
[8] UMEA UNIV, INST ENVIRONM CHEM, S-90187 UMEA, SWEDEN
[9] TEXAS A&M UNIV SYST, DEPT VET PHYSIOL & PHARMACOL, COLL STN, TX 77843 USA
[10] NEW YORK STATE DEPT HLTH, WADSWORTH CTR, ALBANY, NY 12201 USA
[11] NATL PUBL HLTH INST, DIV ENVIRONM HLTH, KUOPIO, FINLAND
[12] UNIV UTRECHT, TOXICOL RES INST, UTRECHT, NETHERLANDS