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Open-Access Journal
Review
Takahiro Seimiya, Motoyuki Otsuka, Takuma Iwata, Eri Tanaka, Tatsunori Suzuki, Kazuma Sekiba, Mari Yamagami, Rei Ishibashi, Kazuhiko Koike 
World J Clin Cases 6(15):882-891. Published online Dec 6, 2018. doi: 10.12998/wjcc.v6.i15.882
Minireviews
Case Control Study
Madunil Anuk Niriella, Isurujith Kongala Liyanage, Senerath Kuleesha Kodisinghe, Arjuna Priyadarsin De Silva, Nimna Rajapakshe, Sunali D Nanayakkara, Dunya Luke, Thilakshi Silva, Metthananda Nawarathne, Ranjith K Peiris, Udaya P Kalubovila, Sujeewa R Kumarasena, Vajira Harshadeva Weerabaddana Dissanayake, Rohan W Jayasekara, Hithanadura Janaka de Silva 
World J Clin Cases 6(15):908-915. Published online Dec 6, 2018. doi: 10.12998/wjcc.v6.i15.908
Retrospective Study
Nahum Méndez-Sánchez, Felipe Zamarripa-Dorsey, Arturo Panduro, Emma Purón-González, Edgar Ulises Coronado-Alejandro, Carlos Alejandro Cortez-Hernández, Fátima Higuera de la Tijera, José Luis Pérez-Hernández, Eira Cerda-Reyes, Heriberto Rodríguez-Hernández, Vania César Cruz-Ramón, Oscar Lenin Ramírez-Pérez, Nancy Edith Aguilar-Olivos, Olga Fabiola Rodríguez-Martínez, Samantha Cabrera-Palma, Guillermo Cabrera-Álvarez 
World J Clin Cases 6(15):922-930. Published online Dec 6, 2018. doi: 10.12998/wjcc.v6.i15.922
Clinical Trials Study
Observational Study
Prospective Study
Ryosuke Takano, Satoshi Osawa, Takahiro Uotani, Shinya Tani, Natsuki Ishida, Satoshi Tamura, Mihoko Yamade, Moriya Iwaizumi, Yasushi Hamaya, Takahisa Furuta, Hiroaki Miyajima, Ken Sugimoto 
World J Clin Cases 6(15):952-960. Published online Dec 6, 2018. doi: 10.12998/wjcc.v6.i15.952
Meta-Analysis
Case Report
Shimpei Anami, Hiroki Minamiguchi, Naoaki Shibata, Takao Koyama, Hirotatsu Sato, Akira Ikoma, Motoki Nakai, Takuji Yamagami, Tetsuo Sonomura 
World J Clin Cases 6(15):1012-1017. Published online Dec 6, 2018. doi: 10.12998/wjcc.v6.i15.1012
Moriyasu Yamauchi, Keita Kai, Natsuko Shibamiya, Rintaro Shimazu, Mikio Monji, Kumiko Suzuki, Hiroaki Kakinoki, Shohei Tobu, Yuichiro Kuratomi 
World J Clin Cases 6(15):1018-1023. Published online Dec 6, 2018. doi: 10.12998/wjcc.v6.i15.1018