Experiment	Measurement	Reference
Belle	\([1.12 \pm 0.25\mbox{ (stat)} \pm 0.12\mbox{ (syst)}] \times 10^{-5}\)	PRD 78:091104,2008
Average	\(\mathbf{[1.12 \pm 0.28\mbox{ (combined)}] \times 10^{-5}}\)