The phrase "a age between" is not correct in English; it should be "an age between." You can use it when specifying a range of ages in a context such as demographics or research.
Example: "The study focused on participants aged between 18 and 25."
Alternatives: "an age range of" or "ages from."
The inclusion criteria were: (a) age between 6 and 16 years; (b) diagnosis of primary headache.
Inclusion criteria for all were a) age between 16 and 65, b) not suffering from a psychotic disorder and c) literate enough to answer the questionnaires with help.
Primary Inclusion criteria for the primary group of interest included: a) age between 18 and 81; b) a diagnosis of chronic non-cancer pain; and c) current treatment with chronic opioid therapy by a primary care physician.
Eligibility criteria were as follows: a) age between 2 and 6 years, b) physician-diagnosed asthma, c) at least one health care encounter for asthma within the preceding 12 months (according to the International Classification of Diseases, 9th Revision, code 493.xx) (World Health Organization 2000), and d) symptoms or use of asthma medications within the preceding 6 months.
Inclusion criteria employed at baseline assessment were: (a) age between 18 and 70 years; (b) history of at least three episodes of Major Depression meeting DSM-IV-TR criteria (American Psychiatric Association, 2000), of which two must have occurred within the last five years, and one within the last two years; and (c) remission for the previous eight weeks.
Transition analysis suggests an age between 24.7 to 46.4 years with a maximum likelihood of 32.9 years.
Inclusion criteria were an age between 20 and 50 years and an evolution disease of more than 10 years.
They estimated an age: between 16 and 20.
Some methods, however, indicate an age between 350,000 and 200,000 years.
Comparisons to radiometrically dated faunas in eastern Africa indicate an age between 1 million and 600 thousand years ago.
The study looked at an infant's likelihood of survival, as well as at the possibility of neurological or developmental impairment, evaluated at an age between eighteen and twenty-two months.
