Kappen, P. R.
Kakar, E.
Dirven, C. M. F.
van der Jagt, M.
Klimek, M.
Osse, R. J.
Vincent, A. P. J. E.
Article History
Received: 7 May 2021
Revised: 8 July 2021
Accepted: 29 July 2021
First Online: 16 August 2021
Declarations
:
: Ethical approval for this study was not required because no animals or patients were involved as this regards a systematic review of literature.
: Not applicable.
: Not applicable.
: The authors declare no competing interests.