Conflict of Interest:
The author of this manuscript certify that he has No affiliations with
or involvement in any organization or entity with any financial interest
(such as honoraria, educational grants; participation in speakers’
bureaus; membership, employment, consultancies, stock ownership, or
other equity interest; and expert testimony or patent-licensing
arrangements), or non-financial interest (such as personal or
professional relationships, affiliations, knowledge or beliefs) in the
subject matter or materials discussed in this manuscript.