1. Department of Pathology, The Methodist Hospital, Weill Medical College of Cornell University, Houston, TX, USA.
2. Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
3. Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.
4. National Cancer Center, Goyang, Korea.
5. The University of Texas, MD Anderson Cancer Center, Houston, TX, USA.