Paul, Heather A.
Bomhof, Marc R.
Vogel, Hans J.
Reimer, Raylene A.
Article History
Received: 22 October 2015
Accepted: 11 January 2016
First Online: 12 February 2016
Competing interests
: HA Paul, MR Bomhof and HJ Vogel declare no conflicts of interest. RA Reimer previously held a research grant from Beneo-Orafti Inc., manufacturer of Raftilose P95 and Raftiline HP, for a project unrelated to the current work.