The effect of respiratory oscillations in heart rate on detrended fluctuation analysis Rathinaswamy B. Govindan, Srinivas Kota, Tareq Al-Shargabi, Christopher B. Swisher and Adre du Plessis Eur. Phys. J. B, 90 10 (2017) 191 Published online: 11 October 2017 DOI: 10.1140/epjb/e2017-80378-x