b'Rheumatology chief Rheumatology chief Andras Perl, MD, PhD Andras Perl, MD, PhD, explains why Upstate is creating a center of excellence for lupus and other autoimmune diseases and inflammatory diseases in this "HealthLink on Air" interview. Perl, a, explains why Upstate is creating a center of excellence for lupus and other autoimmune diseases and inflammatory diseases in this "HealthLink on Air" interview. Perl, a leading lupus researcher leading lupus researcher, also tells how a lupus diagnosis is made., also tells how a lupus diagnosis is made.'