Which оf the fоllоwing stаtements is/аre true of 111In-lаbelled leukocytes? I. Demonstrate better cell viability compared to 99mTc-HMPAO labelled leukocytes II. Have a better labelling efficiency compared to 99mTc-HMPAO labelled leukocytes III. Localize in the liver, spleen, bone marrow, and lungs (transiently) IV. Are preferred for imaging infections of the distal appendicular skeleton