“…The musculoskeletal manifestations were frequently accompanied by constitutional symptoms such as fever, malaise, fatigue, anorexia or weight loss. Liver involvement sometimes diagnosed as (auto-immune) hepatitis was reported in 31 patients (54%) [10, 17, 20, 21, 26, 27, 31, 32, 34, 35, 36, 38, 39, 40, 42, 43, 44, 45]. Typically, transaminases were mildly or severely elevated (alanine transaminase: range 106–916 IU; aspartate aminotransferase: range 87–2,294 IU), while alkaline phosphatase or γ-glutamyltransferase were normal or only mildly increased.…”