{HEAD ~ The amount} of cells is, in part, dependent upon {TAIL ~ the patients} age, weight and medical profile 
{ HEAD ~ The amount } of cells is , in part , dependent upon { TAIL ~ the patients } age , weight and medical profile
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH