Article History
Received: 6 April 2018
Accepted: 18 July 2018
First Online: 4 August 2018
Compliance with ethical standards
:
: Martino Zacche does not have any conflict of interest. Sambit Mukhopadhyay accepted travel expenses from Dynamesh, Astellas, Kebomed UK, Cook Medical. Ilias Giarenis received speaker honoraria from Astellas.