1. Department of Human Pathology; Kanazawa University Graduate School of Medicine; Kanazawa Japan
2. Department of Pathology; Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Kaohsiung Taiwan
3. Department of Pathology; University of Washington School of Medicine; Seattle WA USA
4. Department of Surgery; Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Kaohsiung Taiwan
5. Department of Pediatric Surgery; Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Kaohsiung Taiwan
6. Department of Medicine; University of Washington School of Medicine; Seattle WA USA