Experiment	Measurement	Reference
Belle	\([1.15 \pm 0.01\mbox{ (stat)} \pm 0.05\mbox{ (syst)}] \times 10^{-3}\)	arXiv:1408.6457
Average	\(\mathbf{[1.15 \pm 0.05\mbox{ (combined)}] \times 10^{-3}}\)