Text and Data Mining valid from 2019-07-25
First Online: 25 July 2019
Change Date: 4 October 2019
Change Type: Correction
Change Details: Shortly after publication, the authors became aware of several typographical errors in Table 1 which were introduced during the copy-editing process.
Compliance with Ethical Standards
: Ali G. Hamedani declares no potential conflicts of interest. Victoria S. Pelak reports royalties from Up-to-Date, Inc. and Elsevier.
: This article does not contain any studies with human or animal subjects performed by any of the authors.