Timing kolesistektomi laparoskopik pasien dengan kolesistolitiasis dan koledokolitiasis pasca endoscopic retrograde cholangiopancreatography-sphincterectomy dan faktor-faktor yang memengaruhinya = Timing of laparoscopic cholecystectomy in patients with cholecystolithiasis and choledocholithiasis post endoscopic retrograde cholangiopancreatography-sphincterectomy and the factors that affect it