Heindl, Ludwig M. http://orcid.org/0000-0002-4413-6132
Trester, Marc
Guo, Yongwei
Zwiener, Florian
Sadat, Narges
Pine, Nicola S.
Pine, Keith R.
Traweger, Andreas
Rokohl, Alexander C.
Funding for this research was provided by:
Universitätsklinikum Köln
Article History
Received: 4 May 2020
Revised: 12 August 2020
Accepted: 19 August 2020
First Online: 1 September 2020
Compliance with ethical standards
:
: Ludwig M. Heindl, Yongwei Guo, Florian Zwiener, Narges Sadat, Nicola S. Pine, Keith R. Pine, Andreas Traweger, and Alexander C. Rokohl have no financial or proprietary interest in any materials or methods mentioned in the manuscript. Ludwig M. Heindl, Yongwei Guo, Florian Zwiener, Narges Sadat, Nicola S. Pine, Keith R. Pine, Andreas Traweger, and Alexander C. Rokohl declare that they have no conflict of interest. The Trester-Institute for Ocular Prosthetics and Artificial Eyes in Cologne is owned and operated by Marc Trester.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from the subjects after explanation of the nature and possible consequences of the study.