Reply to "Maybe myopathic EMG but not myopathy" and to "Exclude differentials before attributing post-COVID fatigue to myopathy". Issue 9 (September 2021) - Agergaard, J.; Leth, S.; Pedersen, T.H.; Harbo, T.; Blicher, J.U.; Karlsson, P.; Østergaard, L.; Andersen, H.; Tankisi, H.