Inflammatory immune-mediated adverse reactions induced by COVID-19 vaccines in previously injected patients with soft tissue fillers : A case series of 20 patients - Alijotas-Reig, Jaume (Universitat Autònoma de Barcelona. Departament de Medicina) ; García-Gimenez, Victor (Europe Medical Centre, Barcelona) ; Velthuis, Peter J. (Erasmus Medical Center. Department of Dermatology) ; Niessen, Frank B. (Vrije Universiteit. Department of Plastic Surgery) ; Decates, Tom S. (Erasmus Medical Center. Department of Dermatology)