[IEEE 2020 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) in conjunction with the 43rd Annual Conference of the Canadian Medical and Biological Engineering Society - Montreal, QC, Canada (2020.7.20-2020.7.24)] 2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC) - Heart Rate Variability and Multi-Site Pulse Rate Variability for the Assessment of Autonomic Responses to Whole-Body Cold Exposure