AF, atrial fibrillation; Endo, endocardial ablation; GP, ganglionated plexus ablation; HFS, high-frequency stimulation; LL, linear lesions; LSPAF, long-standing persistent atrial fibrillation; PAF, paroxysmal atrial fibrillation; Per AF, persistent atrial fibrillation; PVI, pulmonary vein isolation; Thora, thoracoscopic surgical ablation.