Rahmat Azhari Kemal Department of Medical Biology, Faculty of Medicine, University of Riau Indonesia
Arfianti Arfianti Department of Medical Biology, Faculty of Medicine, University of Riau Indonesia
Reni Oktora Blood Transfusion Unit, Indonesian Red Cross Pekanbaru Indonesia
Bebe Gani Blood Transfusion Unit, Indonesian Red Cross Pekanbaru Indonesia
Fauzia Andrini Djojosugito Department of Microbiology, Faculty of Medicine, University of Riau Indonesia
Winarto Winarto Department of Histology, Faculty of Medicine, University of Riau Indonesia