AUC; BSA; CSDA; DES; Desminopathy; FA; FDR; FHL1; FLNC; Filaminopathy; Hsp; LMD; Laser microdissection; MFM; Mass spectrometry; Myofibrillar myopathy; N-RAP; Nebulin-related-anchoring protein; PET; PRM; PSM; Parallel reaction monitoring; RBM; RT; SI; SRM; Xin; Xin actin-binding repeat-containing protein 1; Xin actin-binding repeat-containing protein 2; Xirp2; area under the curve; bovine serum albumin; cold shock domain protein A; desmin; false discovery rate; filamin C; formic acid; four and a half LIM domains protein 1; heat shock protein; laser microdissection; myofibrillar myopathy; parallel reaction monitoring; peptide spectrum match; polyethylene terephthalate; reducing body myopathy; room temperature; single reaction monitoring; spectral index