Levitan, Naina
Barkmann, Claus
Richter-Appelt, Hertha
Schulte-Markwort, Michael
Becker-Hebly, Inga http://orcid.org/0000-0002-6007-2247
Article History
Received: 22 August 2018
Accepted: 4 March 2019
First Online: 15 March 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: All human and animal studies have been approved by the appropriate local ethics committee and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.