Correction to: Respiratory Rate Estimation by Using ECG, Impedance, and Motion Sensing in Smart Clothing

The article “Respiratory Rate Estimation by Using ECG, Impedance, and Motion Sensing in Smart Clothing”, written by Chien-Lung Shen, Tzu-Hao Huang, Po-Chun Hsu, Ya-Chi Ko, Fen-Ling Chen, Wei-Chun Wang, Tsair Kao, Chia-Tai Chan was originally published electronically on the publisher’s internet portal (currently SpringerLink) on 1 July 2017 without open access. After publication in volume [37], issue [6], page [826–842] the authors decided to opt for Open Choice and to make the article an open access publication. Therefore, the copyright of the article has been changed to © The Author(s) 2018 and the article is forthwith distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/ ), which permits use, duplication, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.