Received: 11 March 2019
Accepted: 30 April 2019
First Online: 16 May 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable
: TI has no competing interests to declare. DK served as the medical monitor for the sponsor for the EUPHRATES trial and is a consultant to Spectral Medical.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.