Received: 14 October 2019
Revised: 8 May 2020
Accepted: 11 May 2020
First Online: 26 May 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The ethical approval was obtained from the Research Ethics Board-II of McGill University and also from the Research Ethics Board of Tianjin Hospital. We certify that all applicable institutional and governmental regulations concerning the ethical use of human volunteers were followed during the course of this research.