haematologica vol. 87(10):october 2002 *University of Social Welfare and Rehabilitation Sciences, Tehran, Iran; °Tarbiat Modarres University, School of Medical Sciences, Tehran, Iran; #Department of Clinical Chemistry, Municipal Hospital Rudolfstiftung, Vienna, Austria; @ViennaLab Labordiagnostika GmbH, Vienna, Austria Acknowledgments: we wish to thank A. Moritz, A. Tabarroki, E. Mehdipour, P. ...