Experiment	Measurement	Reference
BaBar	\([0.9 \pm 0.6\mbox{ (stat)} \pm 0.2\mbox{ (syst)} ^{+0.3}_{-0.2}\mbox{ (correlated systematic)}] \times 10^{-3}\)	PRL 93,181801 (2004)
Average	\(\mathbf{[0.9 ^{+0.7}_{-0.7}\mbox{ (combined)}] \times 10^{-3}}\)