Silver, Sylvia
Schmelz, Monika
Article History
Received: 11 July 2023
Accepted: 17 August 2023
First Online: 28 August 2023
Declarations
:
: Until 2018 all specimens were collected and received in accordance with the Declaration of Helsinki, and were approved by the individual Institutional Review Borads or ethics committees of the participating sites. Since 2018, the U.S. institutions operate under a single reliant IRB (Institutional Review Board) agreement.
: The authors declare no competing interests.