Received: 5 September 2019
Accepted: 28 November 2019
First Online: 11 December 2019
Ethics approval and consent to participate
: All animal experiments were approved by the Institutional Animal Welfare Committee of the Radboud University Medical Center and were conducted in accordance to the guidelines of the Revised Dutch Act on Animal Experimentation (2014).
: Not applicable
: DG is a retired Founder and Chairman (emeritus) of Immunomedics, Inc., and IBC Pharmaceuticals, Inc. The other authors declare no other competing interests.