1Department of Dermatology, College of Medicine, University of Baghdad, Baghdad, Iraq. 2Department of Community Medicine, Saddam Medical College, Saddam University, Baghdad, Iraq (Correspondence to W. A. Al-Kubaisy: [email protected]). 3Department of Community Medicine, College of Medicine, Al-Mustansiriyah University, Baghdad, Iraq. Received: 13/09/01; accepted: 07/04/04 ABSTRACT To determin...