Hägele, Franziska A
Büsing, Franziska
Nas, Alessa
Aschoff, Julian
Gnädinger, Lena
Schweiggert, Ralf
Carle, Reinhold
Bosy-Westphal, Anja
Article History
Received: 7 September 2017
Revised: 21 December 2017
Accepted: 7 February 2018
First Online: 25 April 2018
Conflict of interest
: The study was in part financed by a grant from the Baumann-Gonser-Stiftung, Bonn, Germany. R.C. received a donation from the Baumann-Gonser-Stiftung, Bonn, Germany. The remaining authors declare that they have no conflict of interest.