Thymi, Magdalini http://orcid.org/0000-0002-8544-6495
Visscher, Corine M
Yoshida-Kohno, Eiko
Crielaard, Wim
Wismeijer, Daniel
Lobbezoo, Frank
Article History
Received: 16 September 2016
Accepted: 14 November 2016
First Online: 14 April 2017
Competing interests
: FL is a member of the Academic Advisory Board of Sunstar Suisse SA and has no financial interest in this company. Sunstar Suisse SA provided financial support for this study via a research grand to ACTA. MT is a PhD student at ACTA, whose salary is being provided through the above-mentioned research grant. All other authors receive their salaries from their country’s government.