Manirakiza, Felix http://orcid.org/0000-0002-9143-8758
Yamada, Hidetaka http://orcid.org/0000-0003-4848-7201
Iwashita, Yuji http://orcid.org/0000-0002-9085-5429
Ishino, Keiko
Ishikawa, Rei http://orcid.org/0000-0003-4695-809X
Kovacs, Zsolt
Osvath, Eva
Nzitakera, Augustin http://orcid.org/0000-0002-7871-3954
Gurzu, Simona http://orcid.org/0000-0003-3968-5118
Sugimura, Haruhiko http://orcid.org/0000-0002-0779-3088
Funding for this research was provided by:
Smoking Research Foundation (Special grant 2022)
Secom Science and Technology Foundation (Secom Science and Technology Foundation)
CNCS – UEFISCDI (PN-III-P4-PCE2021-1113)
Japanese Foundation for Research and Promotion of Endoscopy (22H04979)
Article History
Received: 28 February 2023
Accepted: 5 June 2023
First Online: 1 July 2023
Declarations
:
: This study was approved by the Ethical Committee of the University of Medicine and Pharmacy of Targu-Mures, Romania (agreement no 124/28.07.2016) and the Ethics Committee of Hamamatsu University School of Medicine (EC HUSM number: 20 − 011). All research related activities were done according to Romanian and Japanese national guidelines and regulations and in accordance to Declaration of Helsinki. According to the Romanian rules, as the cases were retrospectively collected, no signed informed consent from patients was necessary.
: Not applicable.
: The authors declare that they have no competing interests to declare.