Funding for this research was provided by:
Received: 20 November 2019
Accepted: 26 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: The LAST study was conducted in accordance with the institutional guidelines and was approved by the Regional Committee of Medical and Health Research Ethics - REC Central (REC no. 2011/1427). The study was registered with ExternalRef removed (ExternalRef removed NCT01467206). Complete details of this study protocol have been published elsewhere [CitationRef removed]. Every patient wrote their consent to participate.
: The consent form is available on request.
: The authors have no competing interests.