Split email addresses by delimiter and print values. Additionally insert BR element after 3th element

SplitEmailAddresses.xslt

<xsl:template name="SplitEmailAddresses" ddwrt:ghost="">
        <xsl:param name="emailAddresses" select="."/>
        <xsl:param name="separator" select="';'"/>
        <xsl:param name="counterEmail" select="1"/>
                
        <xsl:if test="($counterEmail mod 4) = 0">
           <br/>
        </xsl:if>
        
        <xsl:choose>
            <xsl:when test="not(contains($emailAddresses, $separator))">
                 <xsl:value-of select="$emailAddresses" disable-output-escaping="yes" />
            </xsl:when>
            <xsl:otherwise>
                <xsl:value-of select="substring-before($emailAddresses, $separator)" disable-output-escaping="yes"/>
                <xsl:call-template name="SplitEmailAddresses">
                    <xsl:with-param name="emailAddresses" select="substring-after($emailAddresses, $separator)"/>
                    <xsl:with-param name="separator" select="';'"/>
                    <xsl:with-param name="counterEmail" select="$counterEmail+ 1"/>
                </xsl:call-template>
            </xsl:otherwise>
        </xsl:choose>
    </xsl:template>