1 Departments of Nuclear Medicine, University Hospital San Pedro and Centre for Biomedical Research of La Rioja (CIBIR), Logroño, Spain. Electronic address: xleboulvard@riojasalud.es.
2 Departments of Nuclear Medicine, University Hospital San Pedro and Centre for Biomedical Research of La Rioja (CIBIR), Logroño, Spain; Departments of Nuclear Medicine, University Hospital Puerta del Mar, Cádiz, Spain.
3 Departments of Hematology and Hemotherapy, University Hospital San Pedro, Logroño, Spain.
4 Departments of Nuclear Medicine, University Hospital San Pedro and Centre for Biomedical Research of La Rioja (CIBIR), Logroño, Spain.