MacRae, Braid A.
Annaheim, Simon
Stämpfli, Rolf
Spengler, Christina M.
Rossi, René M.
Article History
Received: 26 February 2018
Revised: 13 July 2018
Accepted: 17 July 2018
First Online: 30 July 2018
Compliance with ethical standards
:
: The authors declare they have no conflict of interest. No external sources of funding were used and no commercial companies or manufacturers were involved in this study.