US [C] UK [C] ----- among 2 amongst 0 analyzed 7 analysed 0 analyzes 0 analyses 3 fetal 2 foetal 0 harboring 1 harbouring 0 labeling 1 labelling 0 normalized 1 normalised 0 oxidized 1 oxidised 0 remodeling 2 remodelling 0 signaling 4 signalling 0 synthesize 1 synthesise 0 synthesized 1 synthesised 0 tumor 1 tumour 0 utilized 4 utilised 0 while 7 whilst 0 -----