By Alan Clarke (University of Pannonia, Hungary), Wei Chen (University of Minnesota, Minneapolis, USA)
By Jeffrey McCullough (Professor of Laboratory Medicine and Pathology, American Red Cross Professor of Transfusion Medicine, University of Minnesota, Minneapolis, MN, USA)
By Amy J. McMichael (Wake Forest University Med Center, Winston Salem, Nc, USA), Maria K. Hordinsky (Department of Dermatology, University of Minnesota, Minneapolis, MN