Text and Data Mining valid from 2018-04-13
Received: 19 March 2018
Accepted: 2 April 2018
First Online: 13 April 2018
Ethics approval and consent to participate
: The study was approved by the ethics committee of Onassis Cardiac Surgery Center, and verbal informed consent was provided by all participants during the telephone survey.
: In the past 36 months, two studies by KF were performed using unrestricted funds by the non-profit association AEMSA and one study was funded by the non-profit association Tennessee Smoke-Free Association. The other authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.