. 2017 Jan 23;17:21. doi: 10.1186/s12909-017-0864-9
© The Author(s). 2017
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Table 1.
Participants by group and gender
| Group | Gender | |
|---|---|---|
| Men | Women | |
| 1 (Female voice) | 4 | 8 |
| 2 (Male voice) | 3 | 6 |