Funding for this research was provided by:
John Templeton Foundation
Text and Data Mining valid from 2018-11-16
Received: 19 May 2018
Accepted: 17 October 2018
First Online: 16 November 2018
Compliance with ethical standards
: Mark A. Reimers, Carl Craver, Mikhail Dozmorov, Silviu-Alin Bacanu and Kenneth S. Kendler declare no conflicts of interest.
: This article does not contain any studies with human participants performed by any of the authors.
: This article does not contain any studies with human or animal subjects performed by any of the authors.
: For this type of study formal consent is not required.