does anyone filter the messages which get on this list Best regards, Sandra K. Masur, Ph.D. masur at inka.mssm.edu Box 1183 Depts of Ophthalmology & Cell Biology/Anatomy Mount Sinai School of Medicine phone: 212-241-0089 or 6544 1 Gustave Levy Place Annenberg Building 22-20 New York NY 10029-6574 fax: 212-289-5945