Elsinga, Philip
Delaloye, Angelika Bischof
Chiti, Arturo
Vandenberghe, Stefaan
Giammarile, Francesco
Carrio, Ignasi
Article History
Received: 8 November 2018
Accepted: 8 November 2018
First Online: 16 April 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All authors read and approved the final manuscript.
Free to read: This content has been made available to all.