Examination criteria and calibration procedures for prevention trials of the <scp>E</scp>arly <scp>C</scp>hildhood <scp>C</scp>aries <scp>C</scp>ollaborating <scp>C</scp>enters

Abstract

An experienced multidisciplinary and multi-institutional team was able to develop criteria and training materials to anticipate situations and field conditions the main trials would encounter. Examiners were successfully trained and (re)calibrated.