Scherb, Hagen http://orcid.org/0000-0002-2730-5619
Hayashi, Keiji
Article History
Received: 14 February 2020
Accepted: 24 June 2020
First Online: 9 July 2020
Ethics approval and consent to participate
: Not applicable. Ethics approval and consent to participate are not required and not necessary, since only publicly available data and previously published information is being used.
: Not applicable. Only anonymous data is being used.
: The authors declare that they have no conflicts of interest.