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Authors
Canena, Jorge
Lopes, Luís
Fernandes, João
Costa, Patrício
Arvanitakis, Marianna
Koch, Arjun D.
Poley, Jan-Werner
Jimenez, Javier
Dominguez-Munõz, Enrique
Familiari, Pietro
Bruno, Marco J.
Dinis-Ribeiro, Mário
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Article History
Received: 26 December 2020
Accepted: 23 March 2021
First Online: 1 April 2021
Declarations
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: This manuscript included two studies, both observational. The two studies were conducted in compliance with the International Conference on Harmonization guidelines for Good Clinical Practice (E6) and the 2013 Declaration of Helsinki. All patients provided written informed consent before inclusion in the two studies. The study 1—A novel extended classification system for the ampulla of Vater was approved by local Ethics Committee at Hospital de Santa Luzia (ULSAM 47/2018-10/10). The study 2, Influence of the novel extended classification system on the outcomes of NKF, which was multicenter, was approved in 3 different centers: (Beja Hospital—EDOC/ULSBA/15191; Santa Luzia Hospital ULSAM 42/2019 and Amadora-Sintra Hospital EC/59-2018).
: Not applicable.
: The authors declare that they have no competing interests.
