Duration of maximum heart rate zone:RatDiff:RptPeriod^max:^Patient:Qn
duration of maximum heart rate zone:ratdiff:rptperiod^max:^patient:qn
Duration of maximum heart rate zone:RatDiff:RptPeriod^max:^Patient:Qn
duration of maximum heart rate zone:ratdiff:rptperiod^max:^patient:qn