Cho tCr-CH3 NAA 3T TE-avg (32 echoes, N=10) 4.30±1.26 4.06±1.18 5.28±1.54 7T TE-avg (32 echoes, N=12) 17.32±3.35 18.62±4.11 18.66±2.98 7T single echo (SSRF, N=28) 7.06±2.83 8.38±3.08 11.66±1.98

Table 2: Line widths of Cho, tCr-CH3 and NAA at 3T and 7T (mean ± SD, Hz).