Text and Data Mining valid from 2019-03-26
Received: 9 January 2019
Accepted: 13 March 2019
First Online: 26 March 2019
Compliance with ethical standards
: Grzegorz Fojecki: no conflict of interest. Anders Magnusson: no conflict of interest. Olivier Traxer: Consultant for Coloplast, Boston Scientific, Olympus, Rocamed, EMS and IPG medical. Joyce Baard: Consultant for BSC and Coloplast, Speaker honoraria from Karl Storz Endoscope, Olympus and Cook Medical, Financial research support from Astellas and GSK. Georg Jaremko: no conflict of interest. Christian Seitz: no conflict of interest. Thomas Knoll: no conflict of interest. Guido Giust: Consultant for Olympus, Boston Scientific, Rocamed, Cook Medical and Puanta System. Palle Osther: no conflict of interest. Marianne Brehmer*: no conflict of interest.
: Informed consent is not relevant.
: This is a review article involving no studies on human participants and/or animals.