| Ref (type) | Population | Outcome, Interventions | Results and statistical analysis | Effect size | Favours |
| Adverse effects | |||||
|
RCT |
58 people |
Adverse effects
with electromagnetic stimulation (15 minutes/day) with placebo device |
|||
|
RCT Crossover design |
20 people |
Adverse effects
with electrical suppression with placebo device |
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