“…The two most studied polymorphisms ACTN3 rs1815739 22,23,30,31,33,36,38 and COL5A1 rs12722 23,24,[27][28][29]35 were examined in seven and six of the studies, respectively. CCL2 rs2857656, SOX15 rs4227, and IGF2 rs3213221 were investigated in four studies 23,[27][28][29] ; COL1A1 rs1800012, TNC rs2104772, and TTN rs2742327 in three 23,28,29 ; ACE I/D (rs1799752) in three 23,31,37 ; ELN rs2289360 in two 28,29 ; and GDF5 rs143383 and MMP3 rs679620 also in two. 23,27 The remaining polymorphisms examined were only analyzed in one study each (Table 2).…”