Can we use the 100 smartwatches Rob ter Host tested for clinical applications?

Are Robs studies a first step for a clinical evaluation of the heart rate monitors he tests? Rob ter Horst is postoctoral researcher in a research institute in Vienna for Molecular Medicine: https://www.linkedin.com/in/rob-ter-horst-90756a4a/?originalSubdomain=at But altough Rob is researcher for medical applications, Rob has not validated his 100 smartwatches for medical applications. His testing protocols are …