<template name="entryExtraSignUpFields">
    {{#each extraSignUpFields}}
    {{> _entryExtraSignUpField}}
    {{/each}}
</template>

<template name="_entryExtraSignUpField">
    {{#if isTextField }}
    <div class="form_group">
        {{text_field field type=type required=required label=label placeholder=placeholder }}
    </div>
    {{/if}}

    {{#if isCheckbox}}
    <div class="checkbox">
        {{check_box name label=label required=required}}
    </div>
    {{/if}}
</template>

<template name="entryExtraSignUpFields">
    {{#each extraSignUpFields}}
    {{> _entryExtraSignUpField}}
    {{/each}}
</template>

<template name="_entryExtraSignUpField">
    {{#if isTextField }}
    <div class="form-group">
        {{text_field field type=type required=required label=label placeholder=placeholder }}
    </div>
    {{/if}}

    {{#if isCheckbox}}
    <div class="checkbox">
        {{check_box name label=label required=required}}
    </div>
    {{/if}}
</template>

Replace underscore with dash in form group
Replace underscore with dash in form group