Received: 7 April 2019
Accepted: 19 June 2019
First Online: 5 September 2019
Change Date: 10 December 2019
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Compliance with ethical standards
: The authors declare that they have no conflict of interest. GL and DT are the co-inventors of a deep learning system for retinal diseases. MA is the inventor on patents and patent applications of artificial intelligence and machine learning algorithms for diagnosis and treatment. He is a Founder CEO, employee, of and investor in IDx, Coralville, Iowa, USA.