Experiment	Measurement	Reference
BaBar	\([-5.3 ^{+2.3}_{-2.0}\mbox{ (stat)} ^{+1.4}_{-1.8}\mbox{ (syst)}] \times 10^{-6}\)	PRD 82, 092006 (2010)
Average	\(\mathbf{[-5.3 ^{+2.7}_{-2.7}\mbox{ (combined)}] \times 10^{-6}}\)