1. Department of ImmunopharmacologySmithKline Beecham PharmaceuticalsKing of PrussiaPennsylvania19406USA
2. Department of Experimental PathologyThe William Harvey Research InstituteSt. Bartholomew's Hospital Medical CollegeLondonUnited Kingdom
3. Department of Pathological ToxicologySmithKline Beecham PharmaceuticalsKing of PrussiaPennsylvania19406USA