Methodological efforts to
First, the sampling census design used in this
study assured a valid number of participants to be
included in the investigation. Second, the quality of
data collection was assured by the standardization of
procedures, which was achieved through the provision
of trainings to the professionals of healthcare centers
in the state who were performing the tests, and
through the technology employed - an environment
exclusively created on the Internet for sending
patients´ data. Third, the use of protocols as an instrument
for objective data collection, together with predefined
procedures for the performance of photographs
of skin lesions, avoids vulnerabilities as interpretation
biases, confirming the verification of adequate
diagnosis. Fourth, the careful application of the
methodology generated 149 invalidations, leaving
only 184 requests to be analyzed