IL15 and ankylosing spondylitis: We reproduced several well‐known associations (Table S2), such as elevated beta‐defensin in psoriasis,27 interleukin‐6 in ankylosing spondylitis,28 TNF‐alpha in rheumatoid arthritis,29 IL‐15 in SLE,30 and neurofilament light chain in MND,31 PD5, and AD.4