Abd al-Razzaq (may Allah have mercy on him) said: Ma'mar (may Allah have mercy on him) informed us, narrating from al-Zuhri (may Allah have mercy on him) a hadith with the same meaning, and he added that it includes those who had not reached puberty.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجنائز / 7135