Correction: Bortezomib-releasing silica-collagen xerogels for local treatment of osteolytic bone- and minimal residual disease in multiple myeloma - Dirk Hose; Seemun Ray; Sina Rößler; Ulrich Thormann; Reinhard Schnettler; Kim de Veirman; Thaqif El Khassawna; Christian Heiss; Anne Hild; Daniel Zahner; Francisca Alagboso; Anja Henss; et al. (Journal of Hematology & Oncology)