Received: 6 June 2019
Accepted: 9 August 2019
First Online: 4 September 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 retired as Founder and Chairman (emeritus) of Immunomedics, Inc., and IBC Pharmaceuticals, Inc. The other authors declare that they have no other competing interests.