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							Satoshi Ito
														
									Department of Rheumatology, Niigata Rheumatic Center
							 
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							Hajime Ishikawa
														
									Department of Rheumatology, Niigata Rheumatic Center
							 
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							Takeo Fukuchi
														
									Division of Ophthalmology and Visual Sciences, Graduate School of Medical and Dental Sciences, Niigata University
							 
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							Hiroto Tsuboi
														
									Department of Rheumatology, Institute of Medicine, University of Tsukuba
							 
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							Isao Matsumoto
														
									Department of Rheumatology, Institute of Medicine, University of Tsukuba
							 
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							Atsushi Kawakami
														
									Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences