Experiment	Measurement	Reference
BaBar	\([4.1 ^{+1.3}_{-1.2}\mbox{ (stat)} \pm 0.3\mbox{ (syst)} \pm 0.2\mbox{ (Ds+ BF)}] \times 10^{-5}\)	PRD 78, 032005 (2008)
Average	\(\mathbf{[4.1 ^{+1.4}_{-1.3}\mbox{ (combined)}] \times 10^{-5}}\)