Experiment	Measurement	Reference
Belle	\([3.68 \pm 0.60\mbox{ (stat)} ^{+0.71}_{-0.40}\mbox{ (syst)} ^{+0.65}_{-0.30}\mbox{ (model)}] \times 10^{-4}\)	Experiment Note
Average	\(\mathbf{[3.68 ^{+1.13}_{-0.78}\mbox{ (combined)}] \times 10^{-4}}\)