Experiment	Measurement	Reference
BaBar	\([3.5 ^{+1.0}_{-0.9}\mbox{ (stat)} \pm 0.3\mbox{ (syst)} \pm 0.2\mbox{ (Ds+ BF)}] \times 10^{-5}\)	PRD 78, 032005 (2008)
Average	\(\mathbf{[3.5 ^{+1.1}_{-1.0}\mbox{ (combined)}] \times 10^{-5}}\)