To the Editor-10-second ECG-based RMSSD as valid measure of HRV

Affiliations

• ¹ Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
• ² Department of Epidemiology, University of Groningen, University Medical Center Groningen, Gronigen, The Netherlands.
• ³ Department of Vascular Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
• ⁴ Department of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
• ⁵ Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands. Electronic address: h.snieder@umcg.nl.