3.

Network plot of the included studies. The size of the circles represents the number of test results for a test category. The thickness of the lines is proportional to the number of studies making the comparison. Note that the FISH and PCR circles include comparison within test categories.

aCGH: array comparative genomic hybridisation; CGH: comparative genomic hybridisation; CISH: chromogenic in situ hybridisation; FISH: fluorescence in situ hybridisation; LOH: loss of heterozygosity; MLPA: multiplex‐ligation‐dependent probe amplification; MS; mass spectrometry; NGS: next‐generation sequencing; PCR: polymerase chain reaction; RFLP: restriction fragment length polymorphism; RT: real‐time; SNP: single nucleotide polymorphism.