Experiment	Measurement	Reference
Belle	\([1.43 ^{+0.28}_{-0.25}\mbox{ (stat)} \pm 0.18\mbox{ (syst)}] \times 10^{-5}\)	PRD 84, 071501(R) (2011)
Average	\(\mathbf{[1.43 ^{+0.33}_{-0.31}\mbox{ (combined)}] \times 10^{-5}}\)