1Department of Pathology, Kwandong University Cheil General Hospital & Women's Healthcare Center, Seoul, Korea.
2Department of Pathology, Korea University Anam Hospital, Seoul, Korea. iskim@korea.ac.kr
3Department of Pathology, Soonchunhyang University Hospital, Seoul, Korea.
4Department of Pathology, Yeungnam University College of Medicine, Daegu, Korea.
5Department of Pathology, Korea University Guro Hospital, Seoul, Korea.
6Department of Pathology, Kosin University College of Medicine, Busan, Korea.
7Department of Pathology, Dong-A University College of Medicine, Busan, Korea.
8Department of Pathology, Catholic University, St. Mary's Hospital, Seoul, Korea.
9Department of Pathology, Kyung Hee University Medical Center, Seoul, Korea.
10Department of Pathology, Hanyang University Kuri Hospital, Guri, Korea.
11Department of Pathology, Chonbuk National University College of Medicine, Jeonju, Korea.
12Department of Pathology, Chungnam National University College of Medicine, Daejeon, Korea.
13Department of Pathology, Sunghyunkwan University Kangbuk Samsung Medical Center, Seoul, Korea.
14Department of Pathology, Hallym University, Gangnam Sacred Heart Hospital, Seoul, Korea.
15Department of Pathology, Daegu Catholic University Medical Center, Daegu, Korea.
16Department of Pathology, Wonkwang University College of Medicine, Iksan, Korea.
17Department of Pathology, Inje University Busan Paik Hospital, Busan, Korea.
18Department of Pathology, Ewha Womans University College of Medicine, Seoul, Korea.
19Department of Pathology, Catholic University, Gangnam St. Mary's Hospital, Seoul, Korea.
20Department of Pathology, National Police Hospital, Seoul, Korea.
21Department of Pathology, Medical School Gil Medical Center, Incheon, Korea.
22Department of Pathology, Chonnam National University Hwasun Hospital, Hwasun, Korea.
23Department of Clinical Pathology, College of Health Science, Korea University, Seoul, Korea.