Was the high accuracy of 99.6% of the Polar H10 chest strap which was tested in one paper confirmed by other scientific studies?

Rob ter Horst says in one of his scientific reviews, that the Polar H10 is «Best for Heart Rate (99.6% Accurate)» Robs statements are based on a paper of the Swiss Federal Institute of Sports in Magglingen which was partly funded by Polar: https://pubmed.ncbi.nlm.nih.gov/31004219/ We do not know of any other scientific studies which confirm …