Klauss, André
Conrad, Florian
Hille, Carsten
Article History
Received: 30 August 2017
Accepted: 3 November 2017
First Online: 16 November 2017
Competing Interests
: A.K. anticipates employment at a company that sells spatial light modulators. No person other than the authors had a role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. F.C. and C.H. declare that no competing interests exist.