<qa>  What is the age of the patient who is not growth hormone deficient?- For the portion of the study in which growth hormone is used for participants who are not growth hormone deficient ie., growth hormone sufficient, the patient must be over 3 years of age ie., after 3rd birthday AND also be pre-pubertal at the time of GH initiation. As of now, the growth hormone sufficient participants must meet the criteria of idiopathic short stature or SGA indication. 