Article History
Received: 18 December 2019
Accepted: 30 March 2020
First Online: 16 April 2020
Compliance with ethical standards
:
: The authors report no conflicts of interest in relation to the work described.
: The two studies have been approved by the local Ethical Committee with protocol number 2016.33. Each patient (and/or guardian) signed a consent form.
: Informed consent was obtained from all the patients.