The article titled “Left Atrial Anatomy Relevant to Catheter Ablation” [1] was found to contain material, without citation, from the following published articles:(i)José Angel Cabrera, Jerónimo Farré, Siew Yen Ho, and Damián Sánchez-Quintana, “Anatomy of the Left Atrium Relevant to Atrial Fibrillation Ablation,” Catheter Ablation of Atrial Fibrillation, 2009 ( [2].(ii)Damián Sánchez-Quintana, Gonzalo Pizarro, José Ramón López-Mínguez, Siew Yen Ho, and José Angel Cabrera, “Standardized Review of Atrial Anatomy for Cardiac Electrophysiologists,” Journal of Cardiovascular Translational Research (2013) 6: 124 ( [3].(iii)Farhood Saremi and Damián Sánchez-Quintana, “Anatomy for Electrophysiologic Interventions,” Revisiting Cardiac Anatomy: A Computed-Tomography-Based Atlas and Reference, 2010 ( [4].(iv)Damián Sánchez-Quintana and Margarita Murillo, “Anatomical Bases of Supraventricular Arrhythmias,” European Journal of Anatomy, 15 (1): 17–28 (2011) ( [5].(v)Farhood Saremi and Mona Tafti, “The Role of Computed Tomography and Magnetic Resonance Imaging in Ablation Procedures for Treatment of Atrial Fibrillation,” Seminars in Ultrasound, CT and MRI, 2009 ( [6].

The article [1] includes an overlap of 3,257 words with José Angel Cabrera et al. [2], 1,536 words with Damián Sánchez-Quintana et al. [3], 1,208 words with Farhood Saremi and Damián Sánchez-Quintana [4], 923 words with Damián Sánchez-Quintana and Margarita Murillo [5], and 883 words with Farhood Saremi and Mona Tafti [6].

The authors clarified that they did not cite these articles because they did not consider it relevant to include citations to their previous work, unnecessarily lengthening the reference list.