Text and Data Mining valid from 2018-11-19
Received: 19 April 2018
Accepted: 2 November 2018
First Online: 19 November 2018
: W.H. and J.D. declare no conflict of interest. E.Z., the inventor of patents concerning electrical subretinal implants held by Retina Implant A.G. (Reutlingen, Germany), declares no conflict of interests. We additionally confirm that Retina Implant A.G. has neither been involved in the planning of this project nor has it provided goods, services or finances to it, nor has it received or will receive, information on the results of this project beyond what has or will become public.