According to Fatigatio e.V., the determination of autoantibodies against ß1 and ß2 adrenergic receptors, as well as against M3 and M4 acetylcholine receptors can round off the diagnostic process to ME/CFS. Together with Prof. Dr. Carmen Scheibenbogen (Charité), CellTrend developed and validated this test system. For more information, please have a look at: this site!