| Patient | Age | Origin | Motor development by 1 year | Age at onset | Loss of walking | Upper limb involvement | Bulbar involvement | Speech impairment | Ocular movements | Wheelchair bound | EMG | Evoked potentials | Brain imaging | Phenotypic classification | References |
| 1 | 17 y | Italy | Ab | 12 mo | NA | 8 y | 8 y |
Disarthria at 8 y, Anarthria at 11 y | | 8 y | Ab | SSEP ab | Ab | IAHSP | Racis et al., 2014 [5] |
| 2 | 7 y | Germany | Ab | 18 mo | <7 y | <7 y | 7 y | | N | 7 y | | | Ab | IAHSP | Herzfeld et al., 2009 [6] |
| 3 | 11 y | Hungary | Ab | 10 mo | NA | 2 y | 5 y | No | N | 11 y | N | Motor ab | N | IAHSP |
Sztriha et al., 2008 [7] | 4 | 6 y | Hungary | Ab | <1 y | NA | No | 5 y | No | N | 5 y | | | N | IAHSP |
| 5 | 13 y | The Netherlands | Ab | 8 mo | NA | 3 y | 5 y | Anarthria at 13 y | N | 13 y | N | MEP Unobtainable | N | IAHSP |
Verschuuren-Bemelmans et al., 2008 [8] | 6 | 8 y | The Netherlands | Grossly N | 18 mo | NA | Yes | 4 y | No | N | No | N | MEP Unobtainable | N | IAHSP |
| 7 | 22 y | Turkey | Ab | 1 y | 12 y | 12 y | 16 y | No | | 12 y | | | | IAHSP |
Eymard-Pierre et al., 2006 [9] | 8 | 20 y | Turkey | Ab | 1 y | 10 y | | 12 y | No | | 10 y | N | Motor ab | Ab | IAHSP |
| 9 | 9 y | Bukhari Jewish | N | 1-2 y | NA | 2 y | 3 y | Dysarthria at 9 y | | No | | | | IAHSP |
Devon et al., 2003 [10] | 10 | 6 y | Bukhari Jewish | N | 14 mo | 6 y | 6 y | 6 y | Dysarthria at 6 y | | No | N | | N | IAHSP |
| 11 | 12 y | Pakistan | Ab | 18 mo | 12 y | | <12 y | Anarthria at 12 y | | 12 y | | | | IAHSP | Gros-Louis et al., 2003 [11] |
| 12 | 36 y | Algeria | | 1 y | NA | <7 y | 13 y | Dysarthria at 13 y | N | | N | MEP and SSEP abnormal | Ab | IAHSP | Eymard-Pierre et al., 2002 [12] | 13 | 31 y | Algeria | | 1 y | NA | <7 y | 13 y | Dysarthria at 13 y | N | | N | MEP and SSEP abnormal | | IAHSP | 14 | 24 y | Algeria | | 1 y | NA | <7 y | 13 y | Dysarthria at 13 y | N | | N | MEP and SSEP abnormal | | IAHSP | 15 | 18 y | France | | 1.5 y | 4 y | 6 y | 8 y | Dysarthria at 4 y, anarthria at 12 y | Ab | | N | MEP and SSEP abnormal | Ab | IAHSP | 16 | 23 y | Italy | | 1.4 y | 5 y | 10 y | 12 y | Dysarthria at 10 y, anarthria at 16 y | Ab | | N | MEP and SSEP abnormal | Ab | IAHSP | 17 | 20 y | Italy | | 1.5 y | 4 y | 9 y | 13 y | Dysarthria at 11 y, anarthria at 18 y | Ab | | N | MEP and SSEP abnormal | Ab | IAHSP |
| 18 | 14 y | Kuwait | N | 14 mo | 2 y | 9 y | 4 y | Dysarthria at 4 y, anarthria at 14 y | | | N | N | Ab | IAHSP |
Hadano et al., 2001 [4] | 19 | 6 y | Kuwait | Ab | 11 mo | NA | | 5 y | Dysarthria at 5 y, | N | No | | | Ab | IAHSP | 20 | 2 y | Kuwait | Ab | 9 mo | NA | | | | | | | | | IAHSP |
| 21 | 16 y | Portugal | N | 3 y | NA | 6 y | 8 y | Dysarthria at 8 y, anarthria at 13 y | Ab | 8 y | N | | N | IAHSP | Our study |
| 22 | 27 y | Italy | N | 3 y | | | | Dysarthria at 7 y, anarthria at 14 y | | | Ab | SSEP N | N | JALS |
Luigetti et al., 2013 [13] | 23 | 21 y | Italy | N | 6 y | | | | | | | Ab | SSEP N | N | JALS |
| 24 | 32 y | Japan | N | 13 mo | No | | 11 y | Dysarthria at 11 y, anarthria at 14 y | | No | Ab | | N | JALS |
Shirakawa et al., 2009 [2] | 25 | 23 y | Japan | N | 3 y | No | | | Dysarthria | | No | | | | JALS |
| 26 | 32 y | Turkey | Ab | 22 mo | 16 y | 12 y | 15 y | 18 y | | 16 y | Ab | Motor ab, SSEP N | | JALS | Kress et al., 2005 [14] |
| 27 | 60 y | Tunisia | N | 10 y | | | 10 y | | | | N | Motor N | | JALS |
Hadano et al., 2001 [4] | 28 | 36 y | Tunisia | N | 6.5 y | | | 6.5 y | | | | N | | | JALS | 29 | 27 y | Tunisia | N | 3.5 y | | | Yes | | | | N | Motor N, SSEP ab | | JALS | 30 | 22 y | Tunisia | N | 6.5 y | | | 6.5 y | | | | N | Motor N | | JALS | 31 | 21 y | Tunisia | N | 9 y | | | 9 y | | | | N | | | JALS | 32 | 14 y | Tunisia | N | 6.5 y | | | 6.5 y | | | | N | | | JALS | 33 | 23 y | Tunisia | N | 6.5 y | | | 6.5 y | | | | N | Motor N | | JALS | 34 | 28 y | Tunisia | N | 3.5 y | | | Yes | | | | N | | | JALS | 35 | 32 y | Tunisia | N | 7.5 y | | | Yes | | | | N | Motor N | | JALS | 36 | 22 y | Tunisia | N | 6.5 y | | | Yes | | | | N | | | JALS | 37 | 21 y | Tunisia | N | 10 y | | | Yes | | | | N | Motor N, SSEP ab | | JALS | 38 | 7 y | Tunisia | N | 6 y | | | Yes | | | | N | | | JALS |
| 39 | 55 y | Cyprus | N | 2 y | 50 y | Yes | 3 y | | Ab | 50 y | | | | JPLS |
Mintchev et al., 2009 [15] | 40 | 42 y | Cyprus | N | 2 y | 2 y | Yes | 2 y | | Ab | 2 y | | SSEP N | N | JPLS | 41 | 16 y | Cyprus | N | 2 y | No | Yes | 2 y | | Ab | No | Ab | | | JPLS |
| 42 | 34 y | Italy | N | 2 y | 19 y | 2 y | 6 y | Dysarthria at 6 y, anarthria at 20 y | Ab | 34 y | Ab | Motor ab | N | JPLS | Panzeri et al., 2006 [16] |
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