1. Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Gyeonggi 13620, Republic of Korea
2. Department of Pathology, College of Medicine, Seoul National University, Seoul 03080, Republic of Korea
3. Department of Pathology, Dongtan Sacred Heart Hospital Hallym University, Dongtan, Gyeonggi 18450, Republic of Korea
4. Department of Pathology, Hallym University Sacred Heart Hospital, Anyang, Gyeonggi 14068, Republic of Korea
5. Department of Pathology, Inje University Sanggye Paik Hospital, Seoul 01757, Republic of Korea
6. Department of Pathology, Ajou University School of Medicine, Suwon, Gyeonggi 03965, Republic of Korea