Article History
Received: 30 May 2019
Accepted: 14 August 2019
First Online: 21 August 2019
Compliance with ethical standards
:
: We have no conflict of interest disclosures as per the International Committee of Medical Journal Editors (ICMJE) guidelines.
: This study is not based on clinical trials or animal studies.
: For this type of study, formal consent is not required.