<p>Descriptive characteristics of participating genome-wide association studies in the Discovery and Replication analyses.</p
<p>Sample characteristics and network properties of the studies included in the systematic review.</...
<p>Characteristics of included studies in the meta-analysis for the −28C/G Polymorphism.</p
Main characteristics of the correlational studies included in the systematic review and meta-analysi...
Characteristics of the participants in the studies included in the systematic review.</p
<p>Characteristics of studies included in the systematic review and meta-analyses.</p
Characteristics of the included studies for the systematic review and meta-analysis.</p
<p>Main characteristics of the eligible studies included in the systematic review.</p
Characteristics of the included studies in the systematic review and meta-analysis.</p
Characteristics of studies included in the systematic review and meta-analysis.</p
<p>Abbreviations: GWAS, genome-wide association studies; SD, standard deviation; HRM, high resolutio...
<p>Characteristics of studies included in the systematic review (n = 24 studies).</p
Characteristics of included studies in the systematic review and meta-analysis.</p
<p>Characteristics of included circulating miRNA studies in this meta analysis.</p
<p>Study characteristics of the published studies included in the meta-analysis.</p
<p>Characteristics of studies included in this meta-analysis about PHOX2B gene.</p
<p>Sample characteristics and network properties of the studies included in the systematic review.</...
<p>Characteristics of included studies in the meta-analysis for the −28C/G Polymorphism.</p
Main characteristics of the correlational studies included in the systematic review and meta-analysi...
Characteristics of the participants in the studies included in the systematic review.</p
<p>Characteristics of studies included in the systematic review and meta-analyses.</p
Characteristics of the included studies for the systematic review and meta-analysis.</p
<p>Main characteristics of the eligible studies included in the systematic review.</p
Characteristics of the included studies in the systematic review and meta-analysis.</p
Characteristics of studies included in the systematic review and meta-analysis.</p
<p>Abbreviations: GWAS, genome-wide association studies; SD, standard deviation; HRM, high resolutio...
<p>Characteristics of studies included in the systematic review (n = 24 studies).</p
Characteristics of included studies in the systematic review and meta-analysis.</p
<p>Characteristics of included circulating miRNA studies in this meta analysis.</p
<p>Study characteristics of the published studies included in the meta-analysis.</p
<p>Characteristics of studies included in this meta-analysis about PHOX2B gene.</p
<p>Sample characteristics and network properties of the studies included in the systematic review.</...
<p>Characteristics of included studies in the meta-analysis for the −28C/G Polymorphism.</p
Main characteristics of the correlational studies included in the systematic review and meta-analysi...