Ethics
Informed Consent: Informed consent was waived.
Peer-review: Externally and internally peer-reviewed.
Authorship Contributions
Concept: N.A., G.A., Design: N.A., G.A., Data Collection or Processing: N.A., G.A., Analysis or Interpretation: N.A., M.H., J.N.D., V.D., G.A., Literature Search: N.A., Writing: N.A.
Conflict of Interest: No conflict of interest was declared by the authors.
Financial Disclosure: The authors declared that this study received no financial support.