Fig. 2

Schedule of enrollment, interventions and assessments. Basic test: laboratory tests including routine blood, urine and stool analysis, coagulation function, D-dimer, liver and kidney function, serum amylase, glycosylated hemoglobin (HbA1c),autoimmune-related indexes; electrocardiogram (ECG); radiology including chest X-ray, computed tomography (CT) and magnetic resonance imaging (MRI). Day 3: if extracorporeal shock wave lithotripsy (ESWL)-related complications occurred, patients will be follow-up after ESWL. Radiology: if new abdominal pain appears at any moment during the surveillance period, radiology may be carried out to confirm complications