title: Letter by Ristagno and Li regarding article, "waveform analysis-guided treatment versus a standard shock-first protocol for the treatment of out-of-hospital cardiac arrest presenting in ventricular fibrillation: results of an international randomized, controlled trial".
authors.affiliation: IRCCS-Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy.
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Ristagno
authors.affiliation: School of Biomedical Engineering, Third Military Medical University and Chongqing University, Chongqing, China.
authors.forename: Yongqin
authors.initials: Y
authors.lastname: Li
mesh_terms: D000465:Algorithms; D016887:Cardiopulmonary Resuscitation; D047548:Defibrillators; D005260:Female; D006801:Humans; D007391:International Cooperation; D008297:Male; D058687:Out-of-Hospital Cardiac Arrest / Q000628:therapy*; D014693:Ventricular Fibrillation / Q000628:therapy*