Sumarawati, Titiek, Postgraduate Biomedical Science Study Program, Faculty of Medicine, Universitas Islam Sultan Agung (Unissula), Semarang, Indonesia; Department of Pathological Anatomy, Faculty of Medicine, Universitas Islam Sultan Agung (Unissula), Semarang, Indonesia; Department of Biochemistry, Faculty of Medicine, Universitas Islam Sultan Agung (Unissula), Semarang, Indonesia, Indonesia