-- Ralph V. Katz, DMD, MPH, PhD Professor Department of Epidemiology & Health Promotion NYU College of Dentistry phone: (212) 998-9550 FAX: (212) 995-4436 email: ralph.katz@nyu.edu Mailing address: 250 Park Ave South, NY, NY 10003-1402 (mailing code: 9479) Office location: Rm 636, 6th Floor 250 Park Ave South (btw 19th & 20th St)