Int_t GetNch(const AliMCEvent *ev=0x0, Double_t eta=0.9);
Int_t GetNacc(const AliVEvent *ev=0x0);
+Double_t GetITSTPCMatchEff(const AliVEvent *ev=0x0);
Int_t GetNaccTrcklts(const AliVEvent *ev=0x0, Double_t etaRange=1.6);
Double_t GetNaccTrckltsCorrected(const AliVEvent *event, Double_t uncorrectedNacc, Double_t vtxZ, Int_t type);