Funding for this research was provided by:
Universitätsklinikum des Saarlandes und Medizinische Fakultät der Universität des Saarlandes
Article History
Received: 4 March 2020
Revised: 30 July 2020
Accepted: 16 August 2020
First Online: 4 September 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This study was performed in accordance with the Declaration of Helsinki and approved by the Ethics Committee of Saarland/Germany (No. 263/15) and informed consent was obtained from all participants with KC, before keratoplasty was performed.