Long-Term Evolution of Patients Treated for Paroxysmal Atrial Fibrillation with First and Second Generation Cryoballoon Catheter Ablation with a Prospective Protocol Guided by Complete Bidirectional Left Atrium-Pulmonary Veins Disconnection after Adenosine as Main Target end Point to achieved. Seven Years Followup of Patients with a rough estimation profile of Low ALARMEc Score. A Single Center Report - Paylos, Jesus M.; Morales, Aracelis; Azcona, Luis; Paradela, Marisol; Yagüe, Raquel; Gomez-Guijarro, Fernando; Lacal, Lourdes; Ferrero, Clara; Rodriguez, Octavio (JAFIB: Journal of Atrial Fibrillation, 2016)