How to evaluate the qualifications and credentials of individuals offering Pulmonary CCRN Examination assistance?

How to evaluate the qualifications and credentials of individuals offering Pulmonary CCRN Examination assistance? http://hl7.org/fh7/wiki/cpanelercrn The Pulmonary CCRN Examination (PCR) provides a structured, validated and quantitative exam of the lungs for the rapid assessment of pulmonary inflammation. Participant: The Cardiologist