-->{{#arrayunique:authorsArray}}<!-- remove duplicates and empty values
-->{{#ifexpr: {{#arraysize:authorsArray}} < 4 <!--
-->|{{#arrayprint:authorsArray |;<nowiki> </nowiki> |@@@@|{{PrintAuthorLastNameCommaFirstName|author=@@@@}}|print=pretty }}<!-- less than four authors
-->|{{PrintAuthorLastNameCommaFirstName|author={{#arrayindex:authorsArray |0 }} }} ''et al''<!-- more than three authors
-->}}<!--ifexpr
-->}}<!--if
--></includeonly>