Table A1.

Individual clinical/neurological characteristics of patients.

ID	Diagnosis	Sex	Age (Years)	Body Height (cm)	Body Weight (kg)	Symptom Onset before MRI (Months)	Site of First Symptoms	Upper Motor Neuron Signs	Right Arm	Left Arm	Right Leg	Left Leg	Upper Extremity	Lower Extremity	ALSFRS
1	definite ALS	male	56	180	74	47	right arm	yes	yes	yes	yes	yes	-	right	12
2	definite ALS	male	58	170	93	19	bulbar	yes	yes	yes	yes	yes	left	left	31
3	definite ALS	male	48	172	65	31	right leg	yes	yes	yes	yes	yes	-	right	9
4	definite ALS	male	67	178	85	27	left leg	yes	yes	yes	yes	yes	right	right	32
5	definite ALS	male	56	178	60	49	right leg	yes	yes	yes	yes	yes	-	right	25
6	definite ALS	female	68	160	63	9	left leg	yes	yes	yes	yes	yes	left	left	33
7	definite ALS	female	73	163	64	39	bulbar	yes	yes	yes	yes	yes	left	left	20
8	definite ALS	female	52	166	65	2	left leg	yes	yes	yes	yes	yes	left	left	27
9	definite ALS	male	42	174	76	3	left arm	yes	yes	yes	yes	yes	left	left	31
10	definite ALS	female	60	169	57	31	right leg	yes	yes	yes	yes	yes	right	right	27
11	definite ALS	female	77	159	60	26	right leg	yes	yes	yes	yes	yes	right	right	20
12	definite ALS	male	63	179	75	7	right leg	yes	yes	yes	yes	yes	-	right	27
13	definite ALS	female	64	175	50	6	bulbar	yes	no	yes	yes	yes	left	left	32
14	definite ALS	female	55	155	63	11	right leg	yes	yes	yes	yes	yes	right	right	29
15	definite ALS	female	55	176	62	8	left leg	yes	yes	yes	yes	yes	left	right	30
16	probable ALS	male	74	185	90	35	right arm	yes	yes	yes	yes	yes	right	right	38
17	probable ALS	male	60	175	77	13	right leg	yes	yes	yes	yes	yes	right	right	27
18	definite ALS	male	73	178	80	21	right leg	yes	yes	yes	yes	yes	right	right	33
19	definite ALS	female	63	174	52	17	left leg	yes	yes	yes	yes	yes	left	left	34
20	probable ALS	male	68	177	72	5	both arms	yes	yes	yes	yes	yes	right	right	39
21	probable ALS	female	70	169	62	15	bulbar	yes	yes	no	yes	no	right	right	36
22	probable ALS	male	69	185	84	11	bulbar	yes	yes	yes	yes	yes	left	left	20
23	probable MMN	male	30	182	72	15	left leg	no	yes	yes	yes	yes	right	right	40
24	definite MMN	male	76	182	89	188	right arm	no	yes	yes	yes	no	right	right	40
25	definite MMN	male	35	198	84	60	right arm	no	no	no	yes	yes	right	right	40
26	definite MMN	male	59	175	75	59	right arm	no	yes	no	no	no	right	right	40
27	definite MMN	male	60	174	65	13	right arm	no	yes	no	no	no	right	right	40
28	definite MMN	female	78	160	65	57	right arm	no	yes	no	no	no	right	right	38
29	definite MMN	male	48	187	87	98	right arm	no	yes	no	no	no	right	right	40
30	definite MMN	male	75	172	94	110	left arm	no	no	yes	no	no	left	left	38

Abbreviations: ALS, amyotrophic lateral sclerosis; MMN, multifocal motor neuropathy; ALSFRS, ALS functional rating scale.