INS and hyperinsulinemic hypoglycemia, familial, 4: ↓2hPG; ↓ HbA1c (P<0.05 vs. control); ↓32% insulin dose (Week 8, P<0.01) ↓87% hypoglycemia (P<0.01 vs. control) ↓Yin deficiency-heat score (P<0.01 vs. control)