Pape, Janna
Falconi, Gabriele
De Mattos Lourenco, Thais Regina
Doumouchtsis, Stergios K.
Betschart, Cornelia
Article History
Received: 7 February 2019
Accepted: 22 April 2019
First Online: 9 May 2019
Compliance with ethical standards
:
: None.
: There is no need for ethical approval for a systematic review.