Abdelhak, A. http://orcid.org/0000-0001-9731-4169
Hübers, A.
Böhm, K.
Ludolph, A. C.
Kassubek, J.
Pinkhardt, E. H.
Article History
Received: 28 September 2017
Revised: 4 February 2018
Accepted: 5 February 2018
First Online: 20 February 2018
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: The study was reviewed by the appropriate ethics committee of the University of Ulm (approval number 36/13) and was performed in accordance with the ethical standards of the 1964 Declaration of Helsinki.
: Written informed consent for the LP was obtained from all patients participating in this study.