Humans 132 Male 132 Middle Aged article controlled study human 132 male adult 128 Female 116 female 113 Adult 102 priority journal 100 Aged 73 aged 73 major clinical study 57 clinical article 45 Adolescent 36 Argentina 31 human cell 31 middle aged 28 human tissue 23 adolescent 22 protein expression 20 Animals 19 disease association 19 nonhuman 17 Aged, 80 and over 15 Child 14 Severity of Illness Index 14 polymerase chain reaction 14