Kyunghwan OH
			        		
			        		
			        		
			        			1
			        			
			        		
			        		
			        		
			        		
			        		;
		        		
		        		
		        		
			        		Hee Seung HONG
			        		
			        		;
		        		
		        		
		        		
			        		Nam Seok HAM
			        		
			        		;
		        		
		        		
		        		
			        		Jungbok LEE
			        		
			        		;
		        		
		        		
		        		
			        		Sang Hyoung PARK
			        		
			        		;
		        		
		        		
		        		
			        		Suk-Kyun YANG
			        		
			        		;
		        		
		        		
		        		
			        		Hyuk YOON
			        		
			        		;
		        		
		        		
		        		
			        		You Sun KIM
			        		
			        		;
		        		
		        		
		        		
			        		Chang Hwan CHOI
			        		
			        		;
		        		
		        		
		        		
			        		Byong Duk YE
			        		
			        		;
		        		
		        		
		        		
		        		
		        		
		        		
		        			
			        		
			        		Author Information
			        		
		        		
		        		
			        		
			        		
			        			1. Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea