5-FU	5-fluorouracil
DPD	Dihydropyrimidine dehydrogenase
SNPs	Single nucleotide polymorphisms
LD	Linkage disequilibrium
WES	Whole exome sequencing
PharmVar	Pharmacogene Variation Consortium
CPIC®	Clinical Pharmacogenetics Implementation Consortium
EMA	European Medicine Agency
EPAR	European Public Assessment Reports
AEMPS	Spanish Agency for Medicines and Health Products
Swissmedic	Swiss Agency for Therapeutic Products
FDA	Food and Drug Administration
DPWG	Dutch Pharmacogenetics Working Group
AIOM	Italian Association of Medical Oncology
SIF	Italian Society of Pharmacology
RNPGx	French National Network of Pharmacogenetics
SEFF/SEOM	Pharmacogenomics Society and the Spanish Society of Medical Oncology
FPGMX	Pharmacogenetic Unit of the Public Foundation of Genomic Medicine
HER2	Human Epidermal Growth Factor Receptor 2