In {TAIL ~ addition}, {HEAD ~ factors} associated with the particular patient being treated, including patient age, weight, diet and time of administration, will result in the need to adjust dosages 
In
In { TAIL ~ addition } , { HEAD ~ factors } associated with the particular patient being treated , including patient age , weight , diet and time of administration , will result in the need to adjust dosages
REL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH