Authors’ contributions
P.
P. J. Mease, A-M. Orbai, O. FitzGerald, M. Bedaiwi, D. L. Fleishaker, R. Mundayat, P. Young, and P. S. Helliwell contributed to the study conception and design. R. Mundayat contributed to acquisition of data. All authors were involved in the analysis and interpretation of data, drafted the article, or revised it critically for important intellectual content, and gave final approval of the version of the article to be published.