AFP	alpha-fetoprotein
BEP	bleomycin, etoposide, and cisplatin
β-hCG	beta-human chorionic gonadotropin
C1	first chemotherapy cycle
CI	confidence interval
EP	etoposide and cisplatin
GCT	germ cell tumor
HR	hazard ratio
IGCCCG	International Germ Cell Cancer Collaborative Group
LDH	lactate dehydrogenase
NSGCT	non-seminomatous germ cell tumor
OR	odds ratio
PFS	progression-free survival
VIP	etoposide, ifosfamide, and cisplatin
TIP	paclitaxel, ifosfamide, and cisplatin