Text and Data Mining valid from 2019-01-23
Received: 6 November 2018
First Online: 23 January 2019
: The material has not been previously published or submitted elsewhere for publication and will not be sent to another journal until a decision is made concerning publication. All listed authors have participated in the study and have approved the final manuscript. There is no personal conflicts of interest or financial disclosure for any of the authors. The present study is not based on any previous communication to a society or a meeting.