Haug, Ulrike
Riedel, Oliver
Cholmakow-Bodechtel, Constanze
Olsson, Louise
Article History
Received: 22 September 2017
Revised: 21 February 2018
Accepted: 22 February 2018
First Online: 21 March 2018
Competing interests
: The authors declare no competing interests.
: The study was exempted from institutional review board review by the Ethics Committee of the Medical Faculty of Heidelberg University as no identifying data were collected.
: The manuscript does not contain any individual person’s data in any form (including individual details, images or videos).
: The study was partially funded by the Monika-Kutzner Foundation. The funding source had no influence on the design of the study and collection, analysis and interpretation of data and in writing the manuscript.