Funding for this research was provided by:
Innosuisse - Schweizerische Agentur für Innovationsförderung (18958.1)
Text and Data Mining valid from 2019-11-01
Received: 8 July 2019
First Online: 7 November 2019
Compliance with ethical standards
: On behalf of all authors, the corresponding author states that there is no conflict of interest.