Document is current
Any future updates will be listed below
-
Authors
Schmidt, Viola Maria
Isachenko, Vladimir
Rappl, Gunter
Rahimi, Gohar
Hanstein, Bettina
Morgenstern, Bernd
Mallmann, Peter
Isachenko, Evgenia https://orcid.org/0000-0003-2542-3408
-
Funding
Funding for this research was provided by:
Alexander von Humboldt-Stiftung (.)
- License Information
-
More Information
Article History
Received: 6 August 2017
Accepted: 23 May 2018
First Online: 2 June 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Boards of University Cologne (applications 9 99,184 and 13–147). Written informed consent was obtained from all the participating couples.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
