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ISSN 1007-9327 (print) ISSN 2219-2840 (online)

World Journal of

Gastroenterology
Indexed and Abstracted in:
Current Contents®/Clinical Medicine, Science Citation Index Expanded (also known as SciSearch®), Journal Citation Reports®, Index Medicus, MEDLINE, PubMed, PubMed Central, and Digital Object Identifier. ISI, Thomson Reuters, 2009 Impact Factor: 2.092 (33/65 Gastroenterology andHepatology).

Volume 16 Number 48 December 28, 2010
World J Gastroenterol 2010 December 28; 16(48): 6035-6162 Online Submissions www.wjgnet.com/1007-9327office www.wjgnet.com Printed on Acid-free Paper

A Weekly Journal of Gastroenterology and Hepatology

Editorial Board
2010-2013
The World Journal of Gastroenterology Editorial Board consists of 1144 members, representing a team of worldwideexperts in gastroenterology and hepatology. They are from 60 countries, including Albania (1), Argentina (8), Australia (29), Austria (14), Belgium (12), Brazil (10), Brunei Darussalam (1), Bulgaria (2), Canada (20), Chile (3), China (69), Colombia (1), Croatia (2), Cuba (1), Czech (4), Denmark (8), Ecuador (1), Egypt (2), Estonia (2), Finland (8), France (24), Germany (75), Greece (14), Hungary(10), India (26), Iran (6), Ireland (7), Israel (12), Italy (101), Japan (112), Jordan (1), Kuwait (1), Lebanon (3), Lithuania (2), Malaysia (1), Mexico (10), Moldova (1), Netherlands (29), New Zealand (2), Norway (11), Pakistan (2), Poland (11), Portugal (4), Romania (3), Russia (1), Saudi Arabia (3), Serbia (3), Singapore (10), South Africa (2), South Korea (32), Spain (38), Sweden (18),Switzerland (11), Thailand (1), Trinidad and Tobago (1), Turkey (24), United Arab Emirates (2), United Kingdom (82), United States (249), and Uruguay (1).

HONORARY EDITORS-IN-CHIEF James L Boyer, New Haven Ke-Ji Chen, Beijing Martin H Floch, New Haven Emmet B Keeffe, Palo Alto Geng-Tao Liu, Beijing Lein-Ray Mo, Tainan Eamonn M Quigley, Cork Rafiq A Sheikh, Sacramento Nicholas J Talley, RochesterMing-Lung Yu, Kaohsiung PRESIDENT AND EDITOR-INCHIEF Lian-Sheng Ma, Beijing ACADEMIC EDITOR-IN-CHIEF Tauseef Ali, Oklahoma City Mauro Bortolotti, Bologna Tarkan Karakan, Ankara Weekitt Kittisupamongkol, Bangkok Anastasios Koulaouzidis, Edinburgh Bo-Rong Pan, Xi’an Sylvia LF Pender, Southampton Max S Petrov, Auckland George Y Wu, Farmington STRATEGY ASSOCIATE EDITORS-IN-CHIEF Peter Draganov, FloridaHugh J Freeman, Vancouver Maria C Gutiérrez-Ruiz, Mexico Kazuhiro Hanazaki, Kochi Akio Inui, Kagoshima Kalpesh Jani, Baroda Javier S Martin, Punta del Este

Natalia A Osna, Omaha Wei Tang, Tokyo Alan BR Thomson, Edmonton Harry HX Xia, Hanover Jesus K Yamamoto-Furusho, Mexico Yoshio Yamaoka, Houston ASSOCIATE EDITORS-IN-CHIEF You-Yong Lu, Beijing John M Luk, Singapore Hiroshi Shimada, YokohamaGUEST EDITORIAL BOARD MEMBERS Chien-Jen Chen, Taipei Yang-Yuan Chen, Changhua Jen-Hwey Chiu, Taipei Seng-Kee Chuah, Kaohsiung Wan-Long Chuang, Kaohsiun Ming-Chih Hou, Taipei Kevin Cheng-Wen Hsiao, Taipei Po-Shiuan Hsieh, Taipei Tsung-Hui Hu, Kaohsiung Wen-Hsin Huang, Taichung Chao-Hung Hung, Kaohsiung I-Rue Lai, Taipei Teng-Yu Lee, Taichung Ching Chung Lin, Taipei Hui-Kang Liu, Taipei Hon-Yi Shi,Kaohsiung Chih-Chi Wang, Kaohsiung Jin-Town Wang, Taipei Cheng-Shyong Wu, Chia-Yi Jaw-Ching Wu, Taipei Jiunn-Jong Wu, Tainan Ming-Shiang Wu, Taipei

Ta-Sen Yeh, Taoyuan Hsu-Heng Yen, Changhua Ming-Whei Yu, Taipei MEMBERS OF THE EDITORIAL BOARD

Albania Bashkim Resuli, Tirana

Argentina Julio H Carri, Córdoba Eduardo de Santibañes, Buenos Aires Bernardo Frider, Buenos Aires Carlos J Pirola,Buenos Aires Bernabe Matias Quesada, Buenos Aires Silvia Sookoian, Buenos Aires Adriana M Torres, Rosario Maria Ines Vaccaro, Buenos Aires

Australia Leon Anton Adams, Nedlands Richard Anderson, Victoria Minoti V Apte, New South Wales Andrew V Biankin, Sydney Filip Braet, Sydney Christopher Christophi, Melbourne Philip G Dinning, Koagarah Guy D Eslick, Sydney Michael A Fink, Melbourne...