Text and Data Mining valid from 2019-01-30
Received: 9 December 2018
Accepted: 16 December 2018
First Online: 30 January 2019
Compliance with Ethical Standards
: Charles N. Cornell, MD, reports receiving personal fees from Exactech, Inc., for speaking engagements, outside the submitted work.
: Disclosure forms provided by the author are available with the online version of this article.