602 Longitudinal cytof immunophenotyping reveals distinct patterns of T Cell-B cell dysregulation in SLE - Karen H Costenbader; Takanori Sasaki; Deepak A Rao; Joshua Keegan; James A Lederer; Sabrina Bracero; Ye Cao; Emma Stevens; Yujie Qu; Guoxing Wang; Stephen E Alves (Lupus Science and Medicine, 2021)