1. Division of Pathology, Chulabhorn International College of Medicine, Thammasat University , Pathum Thani , Thailand
2. Division of Pathology, Thammasat University Hospital , Pathum Thani , Thailand
3. Department of Pathology, Hospital Garcia de Orta , Almada , Portugal
4. Nova Medical School , Lisbon , Portugal
5. Department of Pathology, Kameda Medical Center , Kamogawa , Japan