Text and Data Mining valid from 2019-11-01
Received: 26 February 2019
Accepted: 22 September 2019
First Online: 1 November 2019
Change Date: 21 January 2020
Change Type: Correction
Change Details: The original version of this article unfortunately contained an error. The Tables 1 and 2 were missing in the published paper.
Compliance with ethical standards
: All the authors have no potential conflicts (financial, professional, or personal) relevant to the manuscript to disclose.