Disclosure statement
No potential conflict of interest was reported by the author(s).
Ethical approval
This study has been approved by Loyola University Chicago IRB.
Author contributions
FA conceptualized the study, reviewed the literature and drafted the manuscript; RM collected the data and drafted the manuscript; CJ analysed the data and reviewed the manuscript; HD analysed the data and reviewed the manuscript; MS reviewed and revised the manuscript. All authors read and approved the final version of the manuscript.