U.N. Secretary-General Kofi Annan encouraged executives from nine drug companies on Monday to lower prices of AIDS medicines and step up efforts to develop AIDS drugs and diagnostics for children... At his request, the officials agreed to review the prices of existing and new HIV medications and diagnostics to make them more affordable, accessible and appropriate for use in low- and middle-income countries, Annan said... Attending the meeting were [Chairmen, CEOs or other representatives of] Aspen Pharmacare... Aurobindo Pharma... Becton Dickinson & Co.'s BD Medical... Bristol-Myers Squibb... GlaxoSmithKline... Hetero Drugs... Johnson & Johnson... Merck... Ranbaxy Laboratories...