Text and Data Mining valid from 2019-06-07
Received: 28 January 2019
Accepted: 3 June 2019
First Online: 7 June 2019
Compliance with ethical standards
: The author declares no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standard. Besides, the ethics approval for the clinical trial of the study was obtained from the Education Council of Specialty in Medicine (Date and number of decision: 13/2019).