Hsing-Yu Chen1, Mpendulo Felix Gule2, I-Wei Chang1,3,4. 1. Department of Pathology, 63474Taipei Medical University Hospital, Taipei, Taiwan. 2. 299380Mbabane Government Hospital, Mbabane, Eswatini. 3. Department of Pathology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. 4. Departments of Pathology and Laboratory Medicine, Wan Fang Hospital, 38032Taipei Medical University, Taipei, Taiwan.