1. Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium;
2. Research Center for Immunology, Xinxiang Medical University, Xinxiang, Henan, People’s Republic of China;
3. Laboratory of Experimental Cancer Research, Department of Radiation Oncology and Experimental Cancer Research, Ghent University Hospital, Ghent, Belgium; and
4. Laboratory for In Vivo Cellular and Molecular Imaging, Vrije Universiteit Brussels, Brussel, Belgium