Elsayad, Khaled http://orcid.org/0000-0001-9303-7336
Samhouri, Laith
Scobioala, Sergiu
Haverkamp, Uwe
Eich, Hans Theodor
Article History
Received: 2 February 2018
Accepted: 3 April 2018
First Online: 5 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the University Hospital Münster and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.