Text and Data Mining valid from 2019-06-13
Received: 31 December 2018
Accepted: 15 April 2019
First Online: 13 June 2019
Compliance with ethical guidelines
: H.-C. Bauknecht, R. Klingebiel, P. Hein, C. Wolf, L. Bornemann, E. Siebert and G. Bohner declare that they have no competing interests.
: This study has been approved by the ethics committee and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.