Supplementary data for publication: Annette M. McCoy, Samantha K. Beeson, Carl-Johan Rubin, Leif Andersson, Paul Caputo, Sigrid Lykkjen, Alison Moore, Richard J. Piercy, James R. Mickelson, Molly E. McCue. (2019). Identification and Validation of Genetic Variants Predictive of Gait in Standardbred Horses. PLoS Genet. 2019 May 28;15(5): e100814