2. rTMS parameters of included trials.

Study	Duration	Stimulator and Coil	rTMS placement	rTMS frequency	Intensity % motor threshold	Medications
Di Lazarro 2006	Five consecutive days per month for six months	MagPro stimulator and fig 8 coil	Motor cortex of both hemispheres	50 Hz	80% of action motor threshold	All participants were taking riluzole
Di Lazarro 2009	Five consecutive days per month for 12 months	MagPro stimulator and fig 8 coil	Motor cortex of both hemispheres	50 Hz	80% of action motor threshold	All participants were taking riluzole
Zanette 2008	Five consecutive days per week for two weeks	Super Rapid magnetic stimulator and fig 8 coil	Motor cortex of thenar muscles and tibialis anterior muscles were stimulated separately on both hemispheres	5 Hz	110% of resting motor threshold	All participants were taking riluzole

rTMS: repetitive transcranial magnetic stimulation