Experiment	Measurement	Reference
BaBar	\([9.17 \pm 0.83\mbox{ (stat)} \pm 0.90\mbox{ (syst)}] \times 10^{-3}\)	PRD 83, 032004 (2011)
Average	\(\mathbf{[9.17 \pm 1.22\mbox{ (combined)}] \times 10^{-3}}\)