Received: 19 November 2019
Accepted: 29 April 2020
First Online: 3 June 2020
Change Date: 17 June 2020
Change Type: Correction
Change Details: The original version of this article has been corrected to include authors middle initials in the author list. The details given in this correction are correct.
Compliance with Ethical Standards
: • SSC, MLS, TJS, and JBL report no potential conflicts of interest.• CRD is a graduate student pursuing a doctorate under the guidance of MRH.• MBP holds patent US6470756B1 on the contour method, from which modest royalties are received.• JAO and MRH have separate economic interests in contour method measurements that derive from their employment by (JAO) or an ownership interest in (MRH, Hill Engineering, LLC of Rancho Cordova, CA, USA) a firm providing contour method measurements.All authors affirm that these potential conflicts of interest did not play a significant role in the work reported here and that this paper reflects the consensus of all authors.