Experiment	Measurement	Reference
Belle	\([4.4 \pm 0.8\mbox{ (stat)} \pm 0.6\mbox{ (syst)} \pm 1.1\mbox{ (Ds+ BF)}] \times 10^{-5}\)	Experiment Note
Average	\(\mathbf{[4.4 \pm 1.5\mbox{ (combined)}] \times 10^{-5}}\)