We have followed the definition of the metric as is conventional in parameter estimation theory (see, e.g., [159Jump To The Next Citation Point, 161Jump To The Next Citation Point, 115Jump To The Next Citation Point, 67Jump To The Next Citation Point]), which differs from that used in template placement algorithms (see, e.g., [278]) by a factor of two. This difference will impact the relationship between the metric and the match, as will be apparent in what follows.