Funding
HEART
This study was supported by British Heart Foundation Project Grant (15/36/31425). Medtronic Inc. (Minneapolis, USA) manufacture the cryo-balloons used in this study and provided part-funding for the trial. As per GPP2, the company was not involved in any aspect of the design, data interpretation, or preparation of the manuscript. The company had access to the final version of the manuscript and will receive some anonymized data. The researchers were independent from the funders.