Stähli, Alexandra http://orcid.org/0000-0002-5631-3300
Maheen, Ceeneena Ubaidha
Strauss, Franz Josef http://orcid.org/0000-0002-5832-7327
Eick, Sigrun http://orcid.org/0000-0002-4619-2461
Sculean, Anton
Gruber, Reinhard http://orcid.org/0000-0001-5400-9009
Article History
Received: 5 April 2018
Revised: 18 June 2018
Accepted: 16 July 2018
First Online: 20 February 2019
Competing interests
: The authors declare no competing interests.