Funding for this research was provided by:
Text and Data Mining valid from 2019-01-26
Received: 3 January 2019
Accepted: 6 January 2019
First Online: 26 January 2019
Compliance with ethical standards
: MR and MM have received sponsorship from Belpharma to attend scientific meetings. SVDV is an employee of Eumedica s.a. RS and MRF declare that they have no conflicts of interest.