1. Life Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, CA US. Fax: +1 510-486-5586; Tel: +1 510-486-4368
2. London Regional Cancer Program, Depts. Oncology and Biochemistry, University of Western Ontario, London, ON CA. Fax: +1 519-685-8616; Tel: +1 519-685-8600 ×53677