Routine permanent quality control, based on regular on-site inspections by epidemiologic research assistants is planned, including monitoring of equipment used for the examinations, training of personnel, control of data completeness and validity from random samples of participants, etc.
Furthermore, epidemiologic studies showed that regular use of nonsteroidal anti-inflammatory drugs could reduce the risk of ERa + breast cancer; it was not demonstrated for ERa - breast cancers [ 46].
One reason for this lack of research is the considerable logistical challenge of conducting epidemiologic studies of people without regular places of work or residence.
Regular surveillance of ciprofloxacin resistance determinants and molecular epidemiologic investigations are essential in order to follow up the progress of resistance development and spread in our hospital settings.
Prospective epidemiologic data have further shown that regular nut consumption is associated with lower risk of type II diabetes (Jiang et al, 2002; Villegas et al, 2008).
Evidence from epidemiologic and experimental studies has shown that regular exercise protects against the development and progression of numerous diseases such as heart diseases, diabetes, and obesity.
It is even more worrisome that club drug users will take a potential role in the epidemiologic bridge of HIV/syphilis transmission to their regular sex partners [ 22].
Consistent with emerging epidemiologic evidence, these data also suggest that regular flavanol consumption may be protective against the development of age-related cognitive dysfunction.
[ 9] Epidemiologic studies have shown that participation in regular physical activity may also be protective against cognitive impairment, [ 10] dementia, [ 11, 12] breast cancer, [ 13] hip fractures, [ 14] and a range of psychological outcomes, including anxiety, depression, stress and low self-esteem.
